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Finding the Fourth Proportional to 4,257.92, 6,386.93 and 1,484.65

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Solution

The fourth proportional to 4,257.92, 6,386.93 and 1,484.65 is: 2,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.92 : 6,386.93 = 1,484.65 : x
  2. Step 2: Convert to fraction form
    4,257.92/6,386.93 = 1,484.65/x
  3. Step 3: Cross multiply
    4,257.92x = 6,386.93 × 1,484.65
  4. Step 4: Simplify right side
    4,257.92x = 9,482,355.62
  5. Step 5: Solve for x
    x = 9,482,355.62/4,257.92
  6. Step 6: Final answer
    x = 2,226.99

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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.