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Finding the Fourth Proportional to 48,363.68, 66,746.76 and 29,511.92

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Solution

The fourth proportional to 48,363.68, 66,746.76 and 29,511.92 is: 40,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363.68 : 66,746.76 = 29,511.92 : x
  2. Step 2: Convert to fraction form
    48,363.68/66,746.76 = 29,511.92/x
  3. Step 3: Cross multiply
    48,363.68x = 66,746.76 × 29,511.92
  4. Step 4: Simplify right side
    48,363.68x = 1,969,825,041.38
  5. Step 5: Solve for x
    x = 1,969,825,041.38/48,363.68
  6. Step 6: Final answer
    x = 40,729.43

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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.