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Finding the Fourth Proportional to 62,127, 85,743.36 and 36,976.50

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Solution

The fourth proportional to 62,127, 85,743.36 and 36,976.50 is: 51,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,127 : 85,743.36 = 36,976.50 : x
  2. Step 2: Convert to fraction form
    62,127/85,743.36 = 36,976.50/x
  3. Step 3: Cross multiply
    62,127x = 85,743.36 × 36,976.50
  4. Step 4: Simplify right side
    62,127x = 3,170,489,351.04
  5. Step 5: Solve for x
    x = 3,170,489,351.04/62,127
  6. Step 6: Final answer
    x = 51,032.39

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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.