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Finding the Fourth Proportional to 52,497.61, 72,445.12 and 28,624.75

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Solution

The fourth proportional to 52,497.61, 72,445.12 and 28,624.75 is: 39,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.61 : 72,445.12 = 28,624.75 : x
  2. Step 2: Convert to fraction form
    52,497.61/72,445.12 = 28,624.75/x
  3. Step 3: Cross multiply
    52,497.61x = 72,445.12 × 28,624.75
  4. Step 4: Simplify right side
    52,497.61x = 2,073,723,448.72
  5. Step 5: Solve for x
    x = 2,073,723,448.72/52,497.61
  6. Step 6: Final answer
    x = 39,501.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.