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Finding the Fourth Proportional to 30,337.34, 41,839.34 and 19,723.10

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Solution

The fourth proportional to 30,337.34, 41,839.34 and 19,723.10 is: 27,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.34 : 41,839.34 = 19,723.10 : x
  2. Step 2: Convert to fraction form
    30,337.34/41,839.34 = 19,723.10/x
  3. Step 3: Cross multiply
    30,337.34x = 41,839.34 × 19,723.10
  4. Step 4: Simplify right side
    30,337.34x = 825,201,486.75
  5. Step 5: Solve for x
    x = 825,201,486.75/30,337.34
  6. Step 6: Final answer
    x = 27,200.85

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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.