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Finding the Fourth Proportional to 60,630.80, 90,944.16 and 16,255.16

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Solution

The fourth proportional to 60,630.80, 90,944.16 and 16,255.16 is: 24,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.80 : 90,944.16 = 16,255.16 : x
  2. Step 2: Convert to fraction form
    60,630.80/90,944.16 = 16,255.16/x
  3. Step 3: Cross multiply
    60,630.80x = 90,944.16 × 16,255.16
  4. Step 4: Simplify right side
    60,630.80x = 1,478,311,871.87
  5. Step 5: Solve for x
    x = 1,478,311,871.87/60,630.80
  6. Step 6: Final answer
    x = 24,382.19

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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.