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Finding the Fourth Proportional to 3,583,751.60, 5,375,627.40 and 3,191,841.20

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Solution

The fourth proportional to 3,583,751.60, 5,375,627.40 and 3,191,841.20 is: 4,787,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583,751.60 : 5,375,627.40 = 3,191,841.20 : x
  2. Step 2: Convert to fraction form
    3,583,751.60/5,375,627.40 = 3,191,841.20/x
  3. Step 3: Cross multiply
    3,583,751.60x = 5,375,627.40 × 3,191,841.20
  4. Step 4: Simplify right side
    3,583,751.60x = 17,158,149,011,168.88
  5. Step 5: Solve for x
    x = 17,158,149,011,168.88/3,583,751.60
  6. Step 6: Final answer
    x = 4,787,761.80

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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.