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Finding the Fourth Proportional to 9,676.52, 14,515.55 and 4,129.91

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Solution

The fourth proportional to 9,676.52, 14,515.55 and 4,129.91 is: 6,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.52 : 14,515.55 = 4,129.91 : x
  2. Step 2: Convert to fraction form
    9,676.52/14,515.55 = 4,129.91/x
  3. Step 3: Cross multiply
    9,676.52x = 14,515.55 × 4,129.91
  4. Step 4: Simplify right side
    9,676.52x = 59,947,915.10
  5. Step 5: Solve for x
    x = 59,947,915.10/9,676.52
  6. Step 6: Final answer
    x = 6,195.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.