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Finding the Fourth Proportional to 61,869.40, 92,793.78 and 17,486.02

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Solution

The fourth proportional to 61,869.40, 92,793.78 and 17,486.02 is: 26,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,869.40 : 92,793.78 = 17,486.02 : x
  2. Step 2: Convert to fraction form
    61,869.40/92,793.78 = 17,486.02/x
  3. Step 3: Cross multiply
    61,869.40x = 92,793.78 × 17,486.02
  4. Step 4: Simplify right side
    61,869.40x = 1,622,593,892.96
  5. Step 5: Solve for x
    x = 1,622,593,892.96/61,869.40
  6. Step 6: Final answer
    x = 26,226.11

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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.