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Finding the Fourth Proportional to 62,375.40, 86,077 and 34,080.48

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Solution

The fourth proportional to 62,375.40, 86,077 and 34,080.48 is: 47,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,375.40 : 86,077 = 34,080.48 : x
  2. Step 2: Convert to fraction form
    62,375.40/86,077 = 34,080.48/x
  3. Step 3: Cross multiply
    62,375.40x = 86,077 × 34,080.48
  4. Step 4: Simplify right side
    62,375.40x = 2,933,545,476.96
  5. Step 5: Solve for x
    x = 2,933,545,476.96/62,375.40
  6. Step 6: Final answer
    x = 47,030.49

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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.