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Finding the Fourth Proportional to 5,989,806.20, 8,978,585.70 and 2,952,500.60

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Solution

The fourth proportional to 5,989,806.20, 8,978,585.70 and 2,952,500.60 is: 4,425,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,806.20 : 8,978,585.70 = 2,952,500.60 : x
  2. Step 2: Convert to fraction form
    5,989,806.20/8,978,585.70 = 2,952,500.60/x
  3. Step 3: Cross multiply
    5,989,806.20x = 8,978,585.70 × 2,952,500.60
  4. Step 4: Simplify right side
    5,989,806.20x = 26,509,279,666,401.42
  5. Step 5: Solve for x
    x = 26,509,279,666,401.42/5,989,806.20
  6. Step 6: Final answer
    x = 4,425,732.45

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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.