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Finding the Fourth Proportional to 8,866.65, 13,295.88 and 2,624.43

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Solution

The fourth proportional to 8,866.65, 13,295.88 and 2,624.43 is: 3,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.65 : 13,295.88 = 2,624.43 : x
  2. Step 2: Convert to fraction form
    8,866.65/13,295.88 = 2,624.43/x
  3. Step 3: Cross multiply
    8,866.65x = 13,295.88 × 2,624.43
  4. Step 4: Simplify right side
    8,866.65x = 34,894,106.35
  5. Step 5: Solve for x
    x = 34,894,106.35/8,866.65
  6. Step 6: Final answer
    x = 3,935.43

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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.