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Finding the Fourth Proportional to 63,871.76, 88,143.06 and 37,029.86

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Solution

The fourth proportional to 63,871.76, 88,143.06 and 37,029.86 is: 51,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,871.76 : 88,143.06 = 37,029.86 : x
  2. Step 2: Convert to fraction form
    63,871.76/88,143.06 = 37,029.86/x
  3. Step 3: Cross multiply
    63,871.76x = 88,143.06 × 37,029.86
  4. Step 4: Simplify right side
    63,871.76x = 3,263,925,171.77
  5. Step 5: Solve for x
    x = 3,263,925,171.77/63,871.76
  6. Step 6: Final answer
    x = 51,101.22

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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.