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Finding the Fourth Proportional to 8,882.92, 13,333.02 and 4,269.16

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Solution

The fourth proportional to 8,882.92, 13,333.02 and 4,269.16 is: 6,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.92 : 13,333.02 = 4,269.16 : x
  2. Step 2: Convert to fraction form
    8,882.92/13,333.02 = 4,269.16/x
  3. Step 3: Cross multiply
    8,882.92x = 13,333.02 × 4,269.16
  4. Step 4: Simplify right side
    8,882.92x = 56,920,795.66
  5. Step 5: Solve for x
    x = 56,920,795.66/8,882.92
  6. Step 6: Final answer
    x = 6,407.89

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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.