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Finding the Fourth Proportional to 63,032.90, 86,984.22 and 34,352.79

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Solution

The fourth proportional to 63,032.90, 86,984.22 and 34,352.79 is: 47,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,032.90 : 86,984.22 = 34,352.79 : x
  2. Step 2: Convert to fraction form
    63,032.90/86,984.22 = 34,352.79/x
  3. Step 3: Cross multiply
    63,032.90x = 86,984.22 × 34,352.79
  4. Step 4: Simplify right side
    63,032.90x = 2,988,150,642.97
  5. Step 5: Solve for x
    x = 2,988,150,642.97/63,032.90
  6. Step 6: Final answer
    x = 47,406.21

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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.