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Finding the Fourth Proportional to 40,571.16, 60,830.68 and 16,895.12

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Solution

The fourth proportional to 40,571.16, 60,830.68 and 16,895.12 is: 25,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,571.16 : 60,830.68 = 16,895.12 : x
  2. Step 2: Convert to fraction form
    40,571.16/60,830.68 = 16,895.12/x
  3. Step 3: Cross multiply
    40,571.16x = 60,830.68 × 16,895.12
  4. Step 4: Simplify right side
    40,571.16x = 1,027,741,638.28
  5. Step 5: Solve for x
    x = 1,027,741,638.28/40,571.16
  6. Step 6: Final answer
    x = 25,331.83

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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.