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Finding the Fourth Proportional to 71,545.80, 107,318.70 and 24,803.40

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Solution

The fourth proportional to 71,545.80, 107,318.70 and 24,803.40 is: 37,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.80 : 107,318.70 = 24,803.40 : x
  2. Step 2: Convert to fraction form
    71,545.80/107,318.70 = 24,803.40/x
  3. Step 3: Cross multiply
    71,545.80x = 107,318.70 × 24,803.40
  4. Step 4: Simplify right side
    71,545.80x = 2,661,868,643.58
  5. Step 5: Solve for x
    x = 2,661,868,643.58/71,545.80
  6. Step 6: Final answer
    x = 37,205.10

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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.