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Finding the Fourth Proportional to 22,065.30, 33,097.88 and 8,917.52

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Solution

The fourth proportional to 22,065.30, 33,097.88 and 8,917.52 is: 13,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.30 : 33,097.88 = 8,917.52 : x
  2. Step 2: Convert to fraction form
    22,065.30/33,097.88 = 8,917.52/x
  3. Step 3: Cross multiply
    22,065.30x = 33,097.88 × 8,917.52
  4. Step 4: Simplify right side
    22,065.30x = 295,151,006.86
  5. Step 5: Solve for x
    x = 295,151,006.86/22,065.30
  6. Step 6: Final answer
    x = 13,376.25

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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.