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Finding the Fourth Proportional to 8,818.65, 13,233.14 and 3,275.83

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Solution

The fourth proportional to 8,818.65, 13,233.14 and 3,275.83 is: 4,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.65 : 13,233.14 = 3,275.83 : x
  2. Step 2: Convert to fraction form
    8,818.65/13,233.14 = 3,275.83/x
  3. Step 3: Cross multiply
    8,818.65x = 13,233.14 × 3,275.83
  4. Step 4: Simplify right side
    8,818.65x = 43,349,517.01
  5. Step 5: Solve for x
    x = 43,349,517.01/8,818.65
  6. Step 6: Final answer
    x = 4,915.66

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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.