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Finding the Fourth Proportional to 60,459.86, 90,689.66 and 16,086.60

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Solution

The fourth proportional to 60,459.86, 90,689.66 and 16,086.60 is: 24,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459.86 : 90,689.66 = 16,086.60 : x
  2. Step 2: Convert to fraction form
    60,459.86/90,689.66 = 16,086.60/x
  3. Step 3: Cross multiply
    60,459.86x = 90,689.66 × 16,086.60
  4. Step 4: Simplify right side
    60,459.86x = 1,458,888,284.56
  5. Step 5: Solve for x
    x = 1,458,888,284.56/60,459.86
  6. Step 6: Final answer
    x = 24,129.87

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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.