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Finding the Fourth Proportional to 61,885.53, 92,867.31 and 26,346.78

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Solution

The fourth proportional to 61,885.53, 92,867.31 and 26,346.78 is: 39,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,885.53 : 92,867.31 = 26,346.78 : x
  2. Step 2: Convert to fraction form
    61,885.53/92,867.31 = 26,346.78/x
  3. Step 3: Cross multiply
    61,885.53x = 92,867.31 × 26,346.78
  4. Step 4: Simplify right side
    61,885.53x = 2,446,754,585.76
  5. Step 5: Solve for x
    x = 2,446,754,585.76/61,885.53
  6. Step 6: Final answer
    x = 39,536.78

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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.