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Finding the Fourth Proportional to 61,796.64, 85,250.66 and 36,294.86

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Solution

The fourth proportional to 61,796.64, 85,250.66 and 36,294.86 is: 50,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,796.64 : 85,250.66 = 36,294.86 : x
  2. Step 2: Convert to fraction form
    61,796.64/85,250.66 = 36,294.86/x
  3. Step 3: Cross multiply
    61,796.64x = 85,250.66 × 36,294.86
  4. Step 4: Simplify right side
    61,796.64x = 3,094,160,769.61
  5. Step 5: Solve for x
    x = 3,094,160,769.61/61,796.64
  6. Step 6: Final answer
    x = 50,070.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.