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Finding the Fourth Proportional to 60,806.89, 91,221.27 and 25,749.28

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Solution

The fourth proportional to 60,806.89, 91,221.27 and 25,749.28 is: 38,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,806.89 : 91,221.27 = 25,749.28 : x
  2. Step 2: Convert to fraction form
    60,806.89/91,221.27 = 25,749.28/x
  3. Step 3: Cross multiply
    60,806.89x = 91,221.27 × 25,749.28
  4. Step 4: Simplify right side
    60,806.89x = 2,348,882,023.19
  5. Step 5: Solve for x
    x = 2,348,882,023.19/60,806.89
  6. Step 6: Final answer
    x = 38,628.55

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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.