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Finding the Fourth Proportional to 63,917.88, 88,206.75 and 38,424.52

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Solution

The fourth proportional to 63,917.88, 88,206.75 and 38,424.52 is: 53,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,917.88 : 88,206.75 = 38,424.52 : x
  2. Step 2: Convert to fraction form
    63,917.88/88,206.75 = 38,424.52/x
  3. Step 3: Cross multiply
    63,917.88x = 88,206.75 × 38,424.52
  4. Step 4: Simplify right side
    63,917.88x = 3,389,302,029.51
  5. Step 5: Solve for x
    x = 3,389,302,029.51/63,917.88
  6. Step 6: Final answer
    x = 53,025.88

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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.