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Finding the Fourth Proportional to 60,188.67, 90,229.32 and 28,579.23

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Solution

The fourth proportional to 60,188.67, 90,229.32 and 28,579.23 is: 42,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,188.67 : 90,229.32 = 28,579.23 : x
  2. Step 2: Convert to fraction form
    60,188.67/90,229.32 = 28,579.23/x
  3. Step 3: Cross multiply
    60,188.67x = 90,229.32 × 28,579.23
  4. Step 4: Simplify right side
    60,188.67x = 2,578,684,489.02
  5. Step 5: Solve for x
    x = 2,578,684,489.02/60,188.67
  6. Step 6: Final answer
    x = 42,843.35

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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.