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Finding the Fourth Proportional to 29,253.69, 43,869.60 and 9,260.87

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Solution

The fourth proportional to 29,253.69, 43,869.60 and 9,260.87 is: 13,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,253.69 : 43,869.60 = 9,260.87 : x
  2. Step 2: Convert to fraction form
    29,253.69/43,869.60 = 9,260.87/x
  3. Step 3: Cross multiply
    29,253.69x = 43,869.60 × 9,260.87
  4. Step 4: Simplify right side
    29,253.69x = 406,270,443.20
  5. Step 5: Solve for x
    x = 406,270,443.20/29,253.69
  6. Step 6: Final answer
    x = 13,887.84

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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.