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Finding the Fourth Proportional to 62,031.60, 85,608.84 and 35,179

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Solution

The fourth proportional to 62,031.60, 85,608.84 and 35,179 is: 48,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,031.60 : 85,608.84 = 35,179 : x
  2. Step 2: Convert to fraction form
    62,031.60/85,608.84 = 35,179/x
  3. Step 3: Cross multiply
    62,031.60x = 85,608.84 × 35,179
  4. Step 4: Simplify right side
    62,031.60x = 3,011,633,382.36
  5. Step 5: Solve for x
    x = 3,011,633,382.36/62,031.60
  6. Step 6: Final answer
    x = 48,549.99

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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.