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Finding the Fourth Proportional to 73,798.48, 110,730.24 and 38,729.68

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Solution

The fourth proportional to 73,798.48, 110,730.24 and 38,729.68 is: 58,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.48 : 110,730.24 = 38,729.68 : x
  2. Step 2: Convert to fraction form
    73,798.48/110,730.24 = 38,729.68/x
  3. Step 3: Cross multiply
    73,798.48x = 110,730.24 × 38,729.68
  4. Step 4: Simplify right side
    73,798.48x = 4,288,546,761.52
  5. Step 5: Solve for x
    x = 4,288,546,761.52/73,798.48
  6. Step 6: Final answer
    x = 58,111.59

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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.