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Finding the Fourth Proportional to 63,261.79, 87,305.79 and 34,966.87

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Solution

The fourth proportional to 63,261.79, 87,305.79 and 34,966.87 is: 48,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,261.79 : 87,305.79 = 34,966.87 : x
  2. Step 2: Convert to fraction form
    63,261.79/87,305.79 = 34,966.87/x
  3. Step 3: Cross multiply
    63,261.79x = 87,305.79 × 34,966.87
  4. Step 4: Simplify right side
    63,261.79x = 3,052,810,209.18
  5. Step 5: Solve for x
    x = 3,052,810,209.18/63,261.79
  6. Step 6: Final answer
    x = 48,256.78

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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.