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Finding the Fourth Proportional to 16,487.28, 22,752.48 and 8,933.68

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Solution

The fourth proportional to 16,487.28, 22,752.48 and 8,933.68 is: 12,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.28 : 22,752.48 = 8,933.68 : x
  2. Step 2: Convert to fraction form
    16,487.28/22,752.48 = 8,933.68/x
  3. Step 3: Cross multiply
    16,487.28x = 22,752.48 × 8,933.68
  4. Step 4: Simplify right side
    16,487.28x = 203,263,375.53
  5. Step 5: Solve for x
    x = 203,263,375.53/16,487.28
  6. Step 6: Final answer
    x = 12,328.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.