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Finding the Fourth Proportional to 16,510.88, 22,785.10 and 8,957.53

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Solution

The fourth proportional to 16,510.88, 22,785.10 and 8,957.53 is: 12,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,510.88 : 22,785.10 = 8,957.53 : x
  2. Step 2: Convert to fraction form
    16,510.88/22,785.10 = 8,957.53/x
  3. Step 3: Cross multiply
    16,510.88x = 22,785.10 × 8,957.53
  4. Step 4: Simplify right side
    16,510.88x = 204,098,205.36
  5. Step 5: Solve for x
    x = 204,098,205.36/16,510.88
  6. Step 6: Final answer
    x = 12,361.44

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Half scale
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Double scale
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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.