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Finding the Fourth Proportional to 32,167.80, 44,378.28 and 19,591.20

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Solution

The fourth proportional to 32,167.80, 44,378.28 and 19,591.20 is: 27,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,167.80 : 44,378.28 = 19,591.20 : x
  2. Step 2: Convert to fraction form
    32,167.80/44,378.28 = 19,591.20/x
  3. Step 3: Cross multiply
    32,167.80x = 44,378.28 × 19,591.20
  4. Step 4: Simplify right side
    32,167.80x = 869,423,759.14
  5. Step 5: Solve for x
    x = 869,423,759.14/32,167.80
  6. Step 6: Final answer
    x = 27,027.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.