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Finding the Fourth Proportional to 63,693.67, 95,540.73 and 19,320.80

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Solution

The fourth proportional to 63,693.67, 95,540.73 and 19,320.80 is: 28,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,693.67 : 95,540.73 = 19,320.80 : x
  2. Step 2: Convert to fraction form
    63,693.67/95,540.73 = 19,320.80/x
  3. Step 3: Cross multiply
    63,693.67x = 95,540.73 × 19,320.80
  4. Step 4: Simplify right side
    63,693.67x = 1,845,923,336.18
  5. Step 5: Solve for x
    x = 1,845,923,336.18/63,693.67
  6. Step 6: Final answer
    x = 28,981.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.