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Finding the Fourth Proportional to 35,591.97, 49,115.60 and 20,486.96

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Solution

The fourth proportional to 35,591.97, 49,115.60 and 20,486.96 is: 28,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,591.97 : 49,115.60 = 20,486.96 : x
  2. Step 2: Convert to fraction form
    35,591.97/49,115.60 = 20,486.96/x
  3. Step 3: Cross multiply
    35,591.97x = 49,115.60 × 20,486.96
  4. Step 4: Simplify right side
    35,591.97x = 1,006,228,984.56
  5. Step 5: Solve for x
    x = 1,006,228,984.56/35,591.97
  6. Step 6: Final answer
    x = 28,271.24

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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.