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Finding the Fourth Proportional to 57,037.12, 85,560 and 15,484.48

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Solution

The fourth proportional to 57,037.12, 85,560 and 15,484.48 is: 23,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,037.12 : 85,560 = 15,484.48 : x
  2. Step 2: Convert to fraction form
    57,037.12/85,560 = 15,484.48/x
  3. Step 3: Cross multiply
    57,037.12x = 85,560 × 15,484.48
  4. Step 4: Simplify right side
    57,037.12x = 1,324,852,108.80
  5. Step 5: Solve for x
    x = 1,324,852,108.80/57,037.12
  6. Step 6: Final answer
    x = 23,227.89

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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.