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Finding the Fourth Proportional to 85,593.98, 128,365.85 and 32,247.45

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Solution

The fourth proportional to 85,593.98, 128,365.85 and 32,247.45 is: 48,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,593.98 : 128,365.85 = 32,247.45 : x
  2. Step 2: Convert to fraction form
    85,593.98/128,365.85 = 32,247.45/x
  3. Step 3: Cross multiply
    85,593.98x = 128,365.85 × 32,247.45
  4. Step 4: Simplify right side
    85,593.98x = 4,139,471,410.20
  5. Step 5: Solve for x
    x = 4,139,471,410.20/85,593.98
  6. Step 6: Final answer
    x = 48,361.71

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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.