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Finding the Fourth Proportional to 29,893.56, 44,841.12 and 9,117

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Solution

The fourth proportional to 29,893.56, 44,841.12 and 9,117 is: 13,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.56 : 44,841.12 = 9,117 : x
  2. Step 2: Convert to fraction form
    29,893.56/44,841.12 = 9,117/x
  3. Step 3: Cross multiply
    29,893.56x = 44,841.12 × 9,117
  4. Step 4: Simplify right side
    29,893.56x = 408,816,491.04
  5. Step 5: Solve for x
    x = 408,816,491.04/29,893.56
  6. Step 6: Final answer
    x = 13,675.74

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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.