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Finding the Fourth Proportional to 62,885.42, 86,794.20 and 36,045.90

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Solution

The fourth proportional to 62,885.42, 86,794.20 and 36,045.90 is: 49,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,885.42 : 86,794.20 = 36,045.90 : x
  2. Step 2: Convert to fraction form
    62,885.42/86,794.20 = 36,045.90/x
  3. Step 3: Cross multiply
    62,885.42x = 86,794.20 × 36,045.90
  4. Step 4: Simplify right side
    62,885.42x = 3,128,575,053.78
  5. Step 5: Solve for x
    x = 3,128,575,053.78/62,885.42
  6. Step 6: Final answer
    x = 49,750.41

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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.