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Finding the Fourth Proportional to 36,232.80, 54,343.38 and 9,931.44

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Solution

The fourth proportional to 36,232.80, 54,343.38 and 9,931.44 is: 14,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,232.80 : 54,343.38 = 9,931.44 : x
  2. Step 2: Convert to fraction form
    36,232.80/54,343.38 = 9,931.44/x
  3. Step 3: Cross multiply
    36,232.80x = 54,343.38 × 9,931.44
  4. Step 4: Simplify right side
    36,232.80x = 539,708,017.87
  5. Step 5: Solve for x
    x = 539,708,017.87/36,232.80
  6. Step 6: Final answer
    x = 14,895.56

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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.