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Finding the Fourth Proportional to 45,109.92, 67,689.68 and 22,925.20

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Solution

The fourth proportional to 45,109.92, 67,689.68 and 22,925.20 is: 34,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,109.92 : 67,689.68 = 22,925.20 : x
  2. Step 2: Convert to fraction form
    45,109.92/67,689.68 = 22,925.20/x
  3. Step 3: Cross multiply
    45,109.92x = 67,689.68 × 22,925.20
  4. Step 4: Simplify right side
    45,109.92x = 1,551,799,451.94
  5. Step 5: Solve for x
    x = 1,551,799,451.94/45,109.92
  6. Step 6: Final answer
    x = 34,400.40

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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.