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Finding the Fourth Proportional to 71,060.36, 98,061.71 and 38,793.74

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Solution

The fourth proportional to 71,060.36, 98,061.71 and 38,793.74 is: 53,534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,060.36 : 98,061.71 = 38,793.74 : x
  2. Step 2: Convert to fraction form
    71,060.36/98,061.71 = 38,793.74/x
  3. Step 3: Cross multiply
    71,060.36x = 98,061.71 × 38,793.74
  4. Step 4: Simplify right side
    71,060.36x = 3,804,179,991.39
  5. Step 5: Solve for x
    x = 3,804,179,991.39/71,060.36
  6. Step 6: Final answer
    x = 53,534.49

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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.