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Finding the Fourth Proportional to 73,476.39, 101,397.48 and 39,942.39

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Solution

The fourth proportional to 73,476.39, 101,397.48 and 39,942.39 is: 55,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,476.39 : 101,397.48 = 39,942.39 : x
  2. Step 2: Convert to fraction form
    73,476.39/101,397.48 = 39,942.39/x
  3. Step 3: Cross multiply
    73,476.39x = 101,397.48 × 39,942.39
  4. Step 4: Simplify right side
    73,476.39x = 4,050,057,691.18
  5. Step 5: Solve for x
    x = 4,050,057,691.18/73,476.39
  6. Step 6: Final answer
    x = 55,120.53

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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.