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Finding the Fourth Proportional to 63,811.71, 88,058.65 and 35,516.79

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Solution

The fourth proportional to 63,811.71, 88,058.65 and 35,516.79 is: 49,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811.71 : 88,058.65 = 35,516.79 : x
  2. Step 2: Convert to fraction form
    63,811.71/88,058.65 = 35,516.79/x
  3. Step 3: Cross multiply
    63,811.71x = 88,058.65 × 35,516.79
  4. Step 4: Simplify right side
    63,811.71x = 3,127,560,579.73
  5. Step 5: Solve for x
    x = 3,127,560,579.73/63,811.71
  6. Step 6: Final answer
    x = 49,012.33

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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.