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Finding the Fourth Proportional to 62,080, 85,655.46 and 36,587.38

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Solution

The fourth proportional to 62,080, 85,655.46 and 36,587.38 is: 50,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,080 : 85,655.46 = 36,587.38 : x
  2. Step 2: Convert to fraction form
    62,080/85,655.46 = 36,587.38/x
  3. Step 3: Cross multiply
    62,080x = 85,655.46 × 36,587.38
  4. Step 4: Simplify right side
    62,080x = 3,133,908,864.09
  5. Step 5: Solve for x
    x = 3,133,908,864.09/62,080
  6. Step 6: Final answer
    x = 50,481.78

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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.