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Finding the Fourth Proportional to 22,746,363.80, 34,119,545.70 and 20,478,882.20

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Solution

The fourth proportional to 22,746,363.80, 34,119,545.70 and 20,478,882.20 is: 30,718,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746,363.80 : 34,119,545.70 = 20,478,882.20 : x
  2. Step 2: Convert to fraction form
    22,746,363.80/34,119,545.70 = 20,478,882.20/x
  3. Step 3: Cross multiply
    22,746,363.80x = 34,119,545.70 × 20,478,882.20
  4. Step 4: Simplify right side
    22,746,363.80x = 698,730,157,107,816.62
  5. Step 5: Solve for x
    x = 698,730,157,107,816.62/22,746,363.80
  6. Step 6: Final answer
    x = 30,718,323.30

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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.