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Finding the Fourth Proportional to 69,660.81, 104,503.77 and 25,349.76

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Solution

The fourth proportional to 69,660.81, 104,503.77 and 25,349.76 is: 38,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.81 : 104,503.77 = 25,349.76 : x
  2. Step 2: Convert to fraction form
    69,660.81/104,503.77 = 25,349.76/x
  3. Step 3: Cross multiply
    69,660.81x = 104,503.77 × 25,349.76
  4. Step 4: Simplify right side
    69,660.81x = 2,649,145,488.60
  5. Step 5: Solve for x
    x = 2,649,145,488.60/69,660.81
  6. Step 6: Final answer
    x = 38,029.21

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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.