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Finding the Fourth Proportional to 8,826.66, 13,239.99 and 2,252.90

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Solution

The fourth proportional to 8,826.66, 13,239.99 and 2,252.90 is: 3,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.66 : 13,239.99 = 2,252.90 : x
  2. Step 2: Convert to fraction form
    8,826.66/13,239.99 = 2,252.90/x
  3. Step 3: Cross multiply
    8,826.66x = 13,239.99 × 2,252.90
  4. Step 4: Simplify right side
    8,826.66x = 29,828,373.47
  5. Step 5: Solve for x
    x = 29,828,373.47/8,826.66
  6. Step 6: Final answer
    x = 3,379.35

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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.