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Finding the Fourth Proportional to 30,226.65, 45,339.98 and 30,226.65

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Solution

The fourth proportional to 30,226.65, 45,339.98 and 30,226.65 is: 45,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.65 : 45,339.98 = 30,226.65 : x
  2. Step 2: Convert to fraction form
    30,226.65/45,339.98 = 30,226.65/x
  3. Step 3: Cross multiply
    30,226.65x = 45,339.98 × 30,226.65
  4. Step 4: Simplify right side
    30,226.65x = 1,370,475,555.33
  5. Step 5: Solve for x
    x = 1,370,475,555.33/30,226.65
  6. Step 6: Final answer
    x = 45,339.98

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.