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Finding the Fourth Proportional to 8,569.61, 12,818.87 and 8,044.73

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Solution

The fourth proportional to 8,569.61, 12,818.87 and 8,044.73 is: 12,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.61 : 12,818.87 = 8,044.73 : x
  2. Step 2: Convert to fraction form
    8,569.61/12,818.87 = 8,044.73/x
  3. Step 3: Cross multiply
    8,569.61x = 12,818.87 × 8,044.73
  4. Step 4: Simplify right side
    8,569.61x = 103,124,439.33
  5. Step 5: Solve for x
    x = 103,124,439.33/8,569.61
  6. Step 6: Final answer
    x = 12,033.73

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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.