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Finding the Fourth Proportional to 39,503.40, 54,487.98 and 25,373.40

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Solution

The fourth proportional to 39,503.40, 54,487.98 and 25,373.40 is: 34,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,503.40 : 54,487.98 = 25,373.40 : x
  2. Step 2: Convert to fraction form
    39,503.40/54,487.98 = 25,373.40/x
  3. Step 3: Cross multiply
    39,503.40x = 54,487.98 × 25,373.40
  4. Step 4: Simplify right side
    39,503.40x = 1,382,545,311.73
  5. Step 5: Solve for x
    x = 1,382,545,311.73/39,503.40
  6. Step 6: Final answer
    x = 34,998.13

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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.