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Finding the Fourth Proportional to 29,167.60, 43,686.60 and 28,519.60

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Solution

The fourth proportional to 29,167.60, 43,686.60 and 28,519.60 is: 42,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.60 : 43,686.60 = 28,519.60 : x
  2. Step 2: Convert to fraction form
    29,167.60/43,686.60 = 28,519.60/x
  3. Step 3: Cross multiply
    29,167.60x = 43,686.60 × 28,519.60
  4. Step 4: Simplify right side
    29,167.60x = 1,245,924,357.36
  5. Step 5: Solve for x
    x = 1,245,924,357.36/29,167.60
  6. Step 6: Final answer
    x = 42,716.04

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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.