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Finding the Fourth Proportional to 63,218.21, 87,233.69 and 34,922.21

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Solution

The fourth proportional to 63,218.21, 87,233.69 and 34,922.21 is: 48,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,218.21 : 87,233.69 = 34,922.21 : x
  2. Step 2: Convert to fraction form
    63,218.21/87,233.69 = 34,922.21/x
  3. Step 3: Cross multiply
    63,218.21x = 87,233.69 × 34,922.21
  4. Step 4: Simplify right side
    63,218.21x = 3,046,392,630.48
  5. Step 5: Solve for x
    x = 3,046,392,630.48/63,218.21
  6. Step 6: Final answer
    x = 48,188.53

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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.