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Finding the Fourth Proportional to 7,235.63, 10,853.43 and 4,752.50

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Solution

The fourth proportional to 7,235.63, 10,853.43 and 4,752.50 is: 7,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.63 : 10,853.43 = 4,752.50 : x
  2. Step 2: Convert to fraction form
    7,235.63/10,853.43 = 4,752.50/x
  3. Step 3: Cross multiply
    7,235.63x = 10,853.43 × 4,752.50
  4. Step 4: Simplify right side
    7,235.63x = 51,580,871.81
  5. Step 5: Solve for x
    x = 51,580,871.81/7,235.63
  6. Step 6: Final answer
    x = 7,128.74

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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.