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Finding the Fourth Proportional to 61,347.50, 92,016.12 and 16,974.80

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Solution

The fourth proportional to 61,347.50, 92,016.12 and 16,974.80 is: 25,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,347.50 : 92,016.12 = 16,974.80 : x
  2. Step 2: Convert to fraction form
    61,347.50/92,016.12 = 16,974.80/x
  3. Step 3: Cross multiply
    61,347.50x = 92,016.12 × 16,974.80
  4. Step 4: Simplify right side
    61,347.50x = 1,561,955,233.78
  5. Step 5: Solve for x
    x = 1,561,955,233.78/61,347.50
  6. Step 6: Final answer
    x = 25,460.78

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1.5x scale

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.