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Finding the Fourth Proportional to 61,697.28, 92,540.16 and 26,630.40

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Solution

The fourth proportional to 61,697.28, 92,540.16 and 26,630.40 is: 39,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,697.28 : 92,540.16 = 26,630.40 : x
  2. Step 2: Convert to fraction form
    61,697.28/92,540.16 = 26,630.40/x
  3. Step 3: Cross multiply
    61,697.28x = 92,540.16 × 26,630.40
  4. Step 4: Simplify right side
    61,697.28x = 2,464,381,476.86
  5. Step 5: Solve for x
    x = 2,464,381,476.86/61,697.28
  6. Step 6: Final answer
    x = 39,943.11

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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.