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Finding the Fourth Proportional to 29,130.56, 43,686.56 and 9,404.52

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Solution

The fourth proportional to 29,130.56, 43,686.56 and 9,404.52 is: 14,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.56 : 43,686.56 = 9,404.52 : x
  2. Step 2: Convert to fraction form
    29,130.56/43,686.56 = 9,404.52/x
  3. Step 3: Cross multiply
    29,130.56x = 43,686.56 × 9,404.52
  4. Step 4: Simplify right side
    29,130.56x = 410,851,150.76
  5. Step 5: Solve for x
    x = 410,851,150.76/29,130.56
  6. Step 6: Final answer
    x = 14,103.79

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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.