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Finding the Fourth Proportional to 62,127.88, 85,731.04 and 35,271.52

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Solution

The fourth proportional to 62,127.88, 85,731.04 and 35,271.52 is: 48,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,127.88 : 85,731.04 = 35,271.52 : x
  2. Step 2: Convert to fraction form
    62,127.88/85,731.04 = 35,271.52/x
  3. Step 3: Cross multiply
    62,127.88x = 85,731.04 × 35,271.52
  4. Step 4: Simplify right side
    62,127.88x = 3,023,864,091.98
  5. Step 5: Solve for x
    x = 3,023,864,091.98/62,127.88
  6. Step 6: Final answer
    x = 48,671.61

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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.