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Finding the Fourth Proportional to 12,044.61, 18,043.54 and 8,876.30

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Solution

The fourth proportional to 12,044.61, 18,043.54 and 8,876.30 is: 13,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.61 : 18,043.54 = 8,876.30 : x
  2. Step 2: Convert to fraction form
    12,044.61/18,043.54 = 8,876.30/x
  3. Step 3: Cross multiply
    12,044.61x = 18,043.54 × 8,876.30
  4. Step 4: Simplify right side
    12,044.61x = 160,159,761.69
  5. Step 5: Solve for x
    x = 160,159,761.69/12,044.61
  6. Step 6: Final answer
    x = 13,297.21

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1.5x scale

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.