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Finding the Fourth Proportional to 57,560.76, 79,434 and 33,366.38

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Solution

The fourth proportional to 57,560.76, 79,434 and 33,366.38 is: 46,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,560.76 : 79,434 = 33,366.38 : x
  2. Step 2: Convert to fraction form
    57,560.76/79,434 = 33,366.38/x
  3. Step 3: Cross multiply
    57,560.76x = 79,434 × 33,366.38
  4. Step 4: Simplify right side
    57,560.76x = 2,650,424,631.75
  5. Step 5: Solve for x
    x = 2,650,424,631.75/57,560.76
  6. Step 6: Final answer
    x = 46,045.69

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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.