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Finding the Fourth Proportional to 69,505.92, 95,909.58 and 49,355.45

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Solution

The fourth proportional to 69,505.92, 95,909.58 and 49,355.45 is: 68,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,505.92 : 95,909.58 = 49,355.45 : x
  2. Step 2: Convert to fraction form
    69,505.92/95,909.58 = 49,355.45/x
  3. Step 3: Cross multiply
    69,505.92x = 95,909.58 × 49,355.45
  4. Step 4: Simplify right side
    69,505.92x = 4,733,660,480.21
  5. Step 5: Solve for x
    x = 4,733,660,480.21/69,505.92
  6. Step 6: Final answer
    x = 68,104.42

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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.