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Finding the Fourth Proportional to 8,593.99, 12,869.10 and 5,663.41

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Solution

The fourth proportional to 8,593.99, 12,869.10 and 5,663.41 is: 8,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.99 : 12,869.10 = 5,663.41 : x
  2. Step 2: Convert to fraction form
    8,593.99/12,869.10 = 5,663.41/x
  3. Step 3: Cross multiply
    8,593.99x = 12,869.10 × 5,663.41
  4. Step 4: Simplify right side
    8,593.99x = 72,882,957.46
  5. Step 5: Solve for x
    x = 72,882,957.46/8,593.99
  6. Step 6: Final answer
    x = 8,480.69

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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.