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Finding the Fourth Proportional to 5,755,656.87, 7,942,598.24 and 3,177,282.33

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Solution

The fourth proportional to 5,755,656.87, 7,942,598.24 and 3,177,282.33 is: 4,384,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755,656.87 : 7,942,598.24 = 3,177,282.33 : x
  2. Step 2: Convert to fraction form
    5,755,656.87/7,942,598.24 = 3,177,282.33/x
  3. Step 3: Cross multiply
    5,755,656.87x = 7,942,598.24 × 3,177,282.33
  4. Step 4: Simplify right side
    5,755,656.87x = 25,235,877,026,354.69
  5. Step 5: Solve for x
    x = 25,235,877,026,354.69/5,755,656.87
  6. Step 6: Final answer
    x = 4,384,534.66

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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.