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Finding the Fourth Proportional to 62,376.66, 86,076 and 35,520.30

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Solution

The fourth proportional to 62,376.66, 86,076 and 35,520.30 is: 49,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,376.66 : 86,076 = 35,520.30 : x
  2. Step 2: Convert to fraction form
    62,376.66/86,076 = 35,520.30/x
  3. Step 3: Cross multiply
    62,376.66x = 86,076 × 35,520.30
  4. Step 4: Simplify right side
    62,376.66x = 3,057,445,342.80
  5. Step 5: Solve for x
    x = 3,057,445,342.80/62,376.66
  6. Step 6: Final answer
    x = 49,015.86

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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.