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Finding the Fourth Proportional to 5,954,728.60, 8,932,092.90 and 3,428,306.20

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Solution

The fourth proportional to 5,954,728.60, 8,932,092.90 and 3,428,306.20 is: 5,142,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954,728.60 : 8,932,092.90 = 3,428,306.20 : x
  2. Step 2: Convert to fraction form
    5,954,728.60/8,932,092.90 = 3,428,306.20/x
  3. Step 3: Cross multiply
    5,954,728.60x = 8,932,092.90 × 3,428,306.20
  4. Step 4: Simplify right side
    5,954,728.60x = 30,621,949,468,045.98
  5. Step 5: Solve for x
    x = 30,621,949,468,045.98/5,954,728.60
  6. Step 6: Final answer
    x = 5,142,459.30

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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.