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Finding the Fourth Proportional to 35,759.01, 49,344.96 and 19,842.20

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Solution

The fourth proportional to 35,759.01, 49,344.96 and 19,842.20 is: 27,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,759.01 : 49,344.96 = 19,842.20 : x
  2. Step 2: Convert to fraction form
    35,759.01/49,344.96 = 19,842.20/x
  3. Step 3: Cross multiply
    35,759.01x = 49,344.96 × 19,842.20
  4. Step 4: Simplify right side
    35,759.01x = 979,112,565.31
  5. Step 5: Solve for x
    x = 979,112,565.31/35,759.01
  6. Step 6: Final answer
    x = 27,380.86

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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.