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Finding the Fourth Proportional to 55,591.45, 83,400.45 and 18,151.59

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Solution

The fourth proportional to 55,591.45, 83,400.45 and 18,151.59 is: 27,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.45 : 83,400.45 = 18,151.59 : x
  2. Step 2: Convert to fraction form
    55,591.45/83,400.45 = 18,151.59/x
  3. Step 3: Cross multiply
    55,591.45x = 83,400.45 × 18,151.59
  4. Step 4: Simplify right side
    55,591.45x = 1,513,850,774.22
  5. Step 5: Solve for x
    x = 1,513,850,774.22/55,591.45
  6. Step 6: Final answer
    x = 27,231.72

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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.