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Finding the Fourth Proportional to 69,765.40, 104,584.81 and 25,360.79

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Solution

The fourth proportional to 69,765.40, 104,584.81 and 25,360.79 is: 38,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,765.40 : 104,584.81 = 25,360.79 : x
  2. Step 2: Convert to fraction form
    69,765.40/104,584.81 = 25,360.79/x
  3. Step 3: Cross multiply
    69,765.40x = 104,584.81 × 25,360.79
  4. Step 4: Simplify right side
    69,765.40x = 2,652,353,276.80
  5. Step 5: Solve for x
    x = 2,652,353,276.80/69,765.40
  6. Step 6: Final answer
    x = 38,018.18

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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.