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Finding the Fourth Proportional to 63,486, 87,610.68 and 35,193.51

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Solution

The fourth proportional to 63,486, 87,610.68 and 35,193.51 is: 48,567.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486 : 87,610.68 = 35,193.51 : x
  2. Step 2: Convert to fraction form
    63,486/87,610.68 = 35,193.51/x
  3. Step 3: Cross multiply
    63,486x = 87,610.68 × 35,193.51
  4. Step 4: Simplify right side
    63,486x = 3,083,327,342.69
  5. Step 5: Solve for x
    x = 3,083,327,342.69/63,486
  6. Step 6: Final answer
    x = 48,567.04

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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.