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Finding the Fourth Proportional to 5,583,838.80, 8,375,758.20 and 2,389,287.90

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Solution

The fourth proportional to 5,583,838.80, 8,375,758.20 and 2,389,287.90 is: 3,583,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,838.80 : 8,375,758.20 = 2,389,287.90 : x
  2. Step 2: Convert to fraction form
    5,583,838.80/8,375,758.20 = 2,389,287.90/x
  3. Step 3: Cross multiply
    5,583,838.80x = 8,375,758.20 × 2,389,287.90
  4. Step 4: Simplify right side
    5,583,838.80x = 20,012,097,720,585.78
  5. Step 5: Solve for x
    x = 20,012,097,720,585.78/5,583,838.80
  6. Step 6: Final answer
    x = 3,583,931.85

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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.