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Finding the Fourth Proportional to 60,882.60, 91,338.30 and 19,329.60

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Solution

The fourth proportional to 60,882.60, 91,338.30 and 19,329.60 is: 28,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,882.60 : 91,338.30 = 19,329.60 : x
  2. Step 2: Convert to fraction form
    60,882.60/91,338.30 = 19,329.60/x
  3. Step 3: Cross multiply
    60,882.60x = 91,338.30 × 19,329.60
  4. Step 4: Simplify right side
    60,882.60x = 1,765,532,803.68
  5. Step 5: Solve for x
    x = 1,765,532,803.68/60,882.60
  6. Step 6: Final answer
    x = 28,998.97

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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.