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Finding the Fourth Proportional to 61,937.16, 85,474.20 and 35,079

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Solution

The fourth proportional to 61,937.16, 85,474.20 and 35,079 is: 48,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.16 : 85,474.20 = 35,079 : x
  2. Step 2: Convert to fraction form
    61,937.16/85,474.20 = 35,079/x
  3. Step 3: Cross multiply
    61,937.16x = 85,474.20 × 35,079
  4. Step 4: Simplify right side
    61,937.16x = 2,998,349,461.80
  5. Step 5: Solve for x
    x = 2,998,349,461.80/61,937.16
  6. Step 6: Final answer
    x = 48,409.54

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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.