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Finding the Fourth Proportional to 61,680.46, 85,114.89 and 34,824.10

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Solution

The fourth proportional to 61,680.46, 85,114.89 and 34,824.10 is: 48,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680.46 : 85,114.89 = 34,824.10 : x
  2. Step 2: Convert to fraction form
    61,680.46/85,114.89 = 34,824.10/x
  3. Step 3: Cross multiply
    61,680.46x = 85,114.89 × 34,824.10
  4. Step 4: Simplify right side
    61,680.46x = 2,964,049,440.85
  5. Step 5: Solve for x
    x = 2,964,049,440.85/61,680.46
  6. Step 6: Final answer
    x = 48,054.92

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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.