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Finding the Fourth Proportional to 16,758.76, 23,127.46 and 9,685.48

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Solution

The fourth proportional to 16,758.76, 23,127.46 and 9,685.48 is: 13,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.76 : 23,127.46 = 9,685.48 : x
  2. Step 2: Convert to fraction form
    16,758.76/23,127.46 = 9,685.48/x
  3. Step 3: Cross multiply
    16,758.76x = 23,127.46 × 9,685.48
  4. Step 4: Simplify right side
    16,758.76x = 224,000,551.28
  5. Step 5: Solve for x
    x = 224,000,551.28/16,758.76
  6. Step 6: Final answer
    x = 13,366.18

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