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Finding the Fourth Proportional to 60,610.70, 90,891.74 and 35,657.30

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Solution

The fourth proportional to 60,610.70, 90,891.74 and 35,657.30 is: 53,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.70 : 90,891.74 = 35,657.30 : x
  2. Step 2: Convert to fraction form
    60,610.70/90,891.74 = 35,657.30/x
  3. Step 3: Cross multiply
    60,610.70x = 90,891.74 × 35,657.30
  4. Step 4: Simplify right side
    60,610.70x = 3,240,954,040.70
  5. Step 5: Solve for x
    x = 3,240,954,040.70/60,610.70
  6. Step 6: Final answer
    x = 53,471.65

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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.