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Finding the Fourth Proportional to 39,657.73, 59,486.07 and 9,672.11

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Solution

The fourth proportional to 39,657.73, 59,486.07 and 9,672.11 is: 14,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.73 : 59,486.07 = 9,672.11 : x
  2. Step 2: Convert to fraction form
    39,657.73/59,486.07 = 9,672.11/x
  3. Step 3: Cross multiply
    39,657.73x = 59,486.07 × 9,672.11
  4. Step 4: Simplify right side
    39,657.73x = 575,355,812.51
  5. Step 5: Solve for x
    x = 575,355,812.51/39,657.73
  6. Step 6: Final answer
    x = 14,508.04

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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.