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Finding the Fourth Proportional to 60,339.33, 90,523.62 and 18,216.90

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Solution

The fourth proportional to 60,339.33, 90,523.62 and 18,216.90 is: 27,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,339.33 : 90,523.62 = 18,216.90 : x
  2. Step 2: Convert to fraction form
    60,339.33/90,523.62 = 18,216.90/x
  3. Step 3: Cross multiply
    60,339.33x = 90,523.62 × 18,216.90
  4. Step 4: Simplify right side
    60,339.33x = 1,649,059,733.18
  5. Step 5: Solve for x
    x = 1,649,059,733.18/60,339.33
  6. Step 6: Final answer
    x = 27,329.77

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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.