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Finding the Fourth Proportional to 29,068, 43,602.40 and 8,291.52

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Solution

The fourth proportional to 29,068, 43,602.40 and 8,291.52 is: 12,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068 : 43,602.40 = 8,291.52 : x
  2. Step 2: Convert to fraction form
    29,068/43,602.40 = 8,291.52/x
  3. Step 3: Cross multiply
    29,068x = 43,602.40 × 8,291.52
  4. Step 4: Simplify right side
    29,068x = 361,530,171.65
  5. Step 5: Solve for x
    x = 361,530,171.65/29,068
  6. Step 6: Final answer
    x = 12,437.39

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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.