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Finding the Fourth Proportional to 5,998,789.02, 8,999,116.65 and 1,954,335.30

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Solution

The fourth proportional to 5,998,789.02, 8,999,116.65 and 1,954,335.30 is: 2,931,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998,789.02 : 8,999,116.65 = 1,954,335.30 : x
  2. Step 2: Convert to fraction form
    5,998,789.02/8,999,116.65 = 1,954,335.30/x
  3. Step 3: Cross multiply
    5,998,789.02x = 8,999,116.65 × 1,954,335.30
  4. Step 4: Simplify right side
    5,998,789.02x = 17,587,291,337,912.75
  5. Step 5: Solve for x
    x = 17,587,291,337,912.75/5,998,789.02
  6. Step 6: Final answer
    x = 2,931,806.95

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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.