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Finding the Fourth Proportional to 63,585.54, 87,742.04 and 38,091.48

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Solution

The fourth proportional to 63,585.54, 87,742.04 and 38,091.48 is: 52,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,585.54 : 87,742.04 = 38,091.48 : x
  2. Step 2: Convert to fraction form
    63,585.54/87,742.04 = 38,091.48/x
  3. Step 3: Cross multiply
    63,585.54x = 87,742.04 × 38,091.48
  4. Step 4: Simplify right side
    63,585.54x = 3,342,224,161.82
  5. Step 5: Solve for x
    x = 3,342,224,161.82/63,585.54
  6. Step 6: Final answer
    x = 52,562.64

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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.