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Finding the Fourth Proportional to 8,917.04, 13,363.14 and 7,375.60

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Solution

The fourth proportional to 8,917.04, 13,363.14 and 7,375.60 is: 11,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.04 : 13,363.14 = 7,375.60 : x
  2. Step 2: Convert to fraction form
    8,917.04/13,363.14 = 7,375.60/x
  3. Step 3: Cross multiply
    8,917.04x = 13,363.14 × 7,375.60
  4. Step 4: Simplify right side
    8,917.04x = 98,561,175.38
  5. Step 5: Solve for x
    x = 98,561,175.38/8,917.04
  6. Step 6: Final answer
    x = 11,053.13

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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.