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Finding the Fourth Proportional to 60,338.91, 90,522.99 and 18,216.48

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Solution

The fourth proportional to 60,338.91, 90,522.99 and 18,216.48 is: 27,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,338.91 : 90,522.99 = 18,216.48 : x
  2. Step 2: Convert to fraction form
    60,338.91/90,522.99 = 18,216.48/x
  3. Step 3: Cross multiply
    60,338.91x = 90,522.99 × 18,216.48
  4. Step 4: Simplify right side
    60,338.91x = 1,649,010,236.88
  5. Step 5: Solve for x
    x = 1,649,010,236.88/60,338.91
  6. Step 6: Final answer
    x = 27,329.14

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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.