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Finding the Fourth Proportional to 5,881,990.60, 8,799,366.30 and 5,092,046.20

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Solution

The fourth proportional to 5,881,990.60, 8,799,366.30 and 5,092,046.20 is: 7,617,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881,990.60 : 8,799,366.30 = 5,092,046.20 : x
  2. Step 2: Convert to fraction form
    5,881,990.60/8,799,366.30 = 5,092,046.20/x
  3. Step 3: Cross multiply
    5,881,990.60x = 8,799,366.30 × 5,092,046.20
  4. Step 4: Simplify right side
    5,881,990.60x = 44,806,779,730,323.06
  5. Step 5: Solve for x
    x = 44,806,779,730,323.06/5,881,990.60
  6. Step 6: Final answer
    x = 7,617,621.78

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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.