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Finding the Fourth Proportional to 29,615.79, 44,410.72 and 8,835.15

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Solution

The fourth proportional to 29,615.79, 44,410.72 and 8,835.15 is: 13,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.79 : 44,410.72 = 8,835.15 : x
  2. Step 2: Convert to fraction form
    29,615.79/44,410.72 = 8,835.15/x
  3. Step 3: Cross multiply
    29,615.79x = 44,410.72 × 8,835.15
  4. Step 4: Simplify right side
    29,615.79x = 392,375,372.81
  5. Step 5: Solve for x
    x = 392,375,372.81/29,615.79
  6. Step 6: Final answer
    x = 13,248.86

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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.