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Finding the Fourth Proportional to 62,877.60, 86,768.60 and 34,581.60

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Solution

The fourth proportional to 62,877.60, 86,768.60 and 34,581.60 is: 47,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,877.60 : 86,768.60 = 34,581.60 : x
  2. Step 2: Convert to fraction form
    62,877.60/86,768.60 = 34,581.60/x
  3. Step 3: Cross multiply
    62,877.60x = 86,768.60 × 34,581.60
  4. Step 4: Simplify right side
    62,877.60x = 3,000,597,017.76
  5. Step 5: Solve for x
    x = 3,000,597,017.76/62,877.60
  6. Step 6: Final answer
    x = 47,721.24

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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.