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Finding the Fourth Proportional to 7,092,185.22, 9,787,691.97 and 3,952,937.34

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Solution

The fourth proportional to 7,092,185.22, 9,787,691.97 and 3,952,937.34 is: 5,455,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092,185.22 : 9,787,691.97 = 3,952,937.34 : x
  2. Step 2: Convert to fraction form
    7,092,185.22/9,787,691.97 = 3,952,937.34/x
  3. Step 3: Cross multiply
    7,092,185.22x = 9,787,691.97 × 3,952,937.34
  4. Step 4: Simplify right side
    7,092,185.22x = 38,690,133,060,631.16
  5. Step 5: Solve for x
    x = 38,690,133,060,631.16/7,092,185.22
  6. Step 6: Final answer
    x = 5,455,319.04

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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.