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Finding the Fourth Proportional to 61,712.36, 92,610.12 and 26,655.56

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Solution

The fourth proportional to 61,712.36, 92,610.12 and 26,655.56 is: 40,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.36 : 92,610.12 = 26,655.56 : x
  2. Step 2: Convert to fraction form
    61,712.36/92,610.12 = 26,655.56/x
  3. Step 3: Cross multiply
    61,712.36x = 92,610.12 × 26,655.56
  4. Step 4: Simplify right side
    61,712.36x = 2,468,574,610.27
  5. Step 5: Solve for x
    x = 2,468,574,610.27/61,712.36
  6. Step 6: Final answer
    x = 40,001.30

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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.