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Finding the Fourth Proportional to 29,488.50, 44,240.24 and 8,712

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Solution

The fourth proportional to 29,488.50, 44,240.24 and 8,712 is: 13,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.50 : 44,240.24 = 8,712 : x
  2. Step 2: Convert to fraction form
    29,488.50/44,240.24 = 8,712/x
  3. Step 3: Cross multiply
    29,488.50x = 44,240.24 × 8,712
  4. Step 4: Simplify right side
    29,488.50x = 385,420,992.66
  5. Step 5: Solve for x
    x = 385,420,992.66/29,488.50
  6. Step 6: Final answer
    x = 13,070.21

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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.