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Finding the Fourth Proportional to 65,793.14, 90,794.45 and 35,578.39

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Solution

The fourth proportional to 65,793.14, 90,794.45 and 35,578.39 is: 49,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.14 : 90,794.45 = 35,578.39 : x
  2. Step 2: Convert to fraction form
    65,793.14/90,794.45 = 35,578.39/x
  3. Step 3: Cross multiply
    65,793.14x = 90,794.45 × 35,578.39
  4. Step 4: Simplify right side
    65,793.14x = 3,230,320,384.13
  5. Step 5: Solve for x
    x = 3,230,320,384.13/65,793.14
  6. Step 6: Final answer
    x = 49,098.13

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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.