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Finding the Fourth Proportional to 34,344.56, 51,516.84 and 18,753.68

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Solution

The fourth proportional to 34,344.56, 51,516.84 and 18,753.68 is: 28,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,344.56 : 51,516.84 = 18,753.68 : x
  2. Step 2: Convert to fraction form
    34,344.56/51,516.84 = 18,753.68/x
  3. Step 3: Cross multiply
    34,344.56x = 51,516.84 × 18,753.68
  4. Step 4: Simplify right side
    34,344.56x = 966,130,331.97
  5. Step 5: Solve for x
    x = 966,130,331.97/34,344.56
  6. Step 6: Final answer
    x = 28,130.52

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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.