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Finding the Fourth Proportional to 62,203.55, 85,842.14 and 33,909.21

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Solution

The fourth proportional to 62,203.55, 85,842.14 and 33,909.21 is: 46,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,203.55 : 85,842.14 = 33,909.21 : x
  2. Step 2: Convert to fraction form
    62,203.55/85,842.14 = 33,909.21/x
  3. Step 3: Cross multiply
    62,203.55x = 85,842.14 × 33,909.21
  4. Step 4: Simplify right side
    62,203.55x = 2,910,838,982.56
  5. Step 5: Solve for x
    x = 2,910,838,982.56/62,203.55
  6. Step 6: Final answer
    x = 46,795.39

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1.5x scale

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.