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Finding the Fourth Proportional to 45,363.92, 68,053.18 and 15,790.22

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Solution

The fourth proportional to 45,363.92, 68,053.18 and 15,790.22 is: 23,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,363.92 : 68,053.18 = 15,790.22 : x
  2. Step 2: Convert to fraction form
    45,363.92/68,053.18 = 15,790.22/x
  3. Step 3: Cross multiply
    45,363.92x = 68,053.18 × 15,790.22
  4. Step 4: Simplify right side
    45,363.92x = 1,074,574,304.16
  5. Step 5: Solve for x
    x = 1,074,574,304.16/45,363.92
  6. Step 6: Final answer
    x = 23,687.86

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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.