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Finding the Fourth Proportional to 62,881.80, 86,774.82 and 34,587.24

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Solution

The fourth proportional to 62,881.80, 86,774.82 and 34,587.24 is: 47,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,881.80 : 86,774.82 = 34,587.24 : x
  2. Step 2: Convert to fraction form
    62,881.80/86,774.82 = 34,587.24/x
  3. Step 3: Cross multiply
    62,881.80x = 86,774.82 × 34,587.24
  4. Step 4: Simplify right side
    62,881.80x = 3,001,301,525.30
  5. Step 5: Solve for x
    x = 3,001,301,525.30/62,881.80
  6. Step 6: Final answer
    x = 47,729.26

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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.