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Finding the Fourth Proportional to 75,101.28, 112,690.76 and 33,010.92

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Solution

The fourth proportional to 75,101.28, 112,690.76 and 33,010.92 is: 49,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.28 : 112,690.76 = 33,010.92 : x
  2. Step 2: Convert to fraction form
    75,101.28/112,690.76 = 33,010.92/x
  3. Step 3: Cross multiply
    75,101.28x = 112,690.76 × 33,010.92
  4. Step 4: Simplify right side
    75,101.28x = 3,720,024,934.59
  5. Step 5: Solve for x
    x = 3,720,024,934.59/75,101.28
  6. Step 6: Final answer
    x = 49,533.44

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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.