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Finding the Fourth Proportional to 34,220.40, 51,257.70 and 27,659.40

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Solution

The fourth proportional to 34,220.40, 51,257.70 and 27,659.40 is: 41,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.40 : 51,257.70 = 27,659.40 : x
  2. Step 2: Convert to fraction form
    34,220.40/51,257.70 = 27,659.40/x
  3. Step 3: Cross multiply
    34,220.40x = 51,257.70 × 27,659.40
  4. Step 4: Simplify right side
    34,220.40x = 1,417,757,227.38
  5. Step 5: Solve for x
    x = 1,417,757,227.38/34,220.40
  6. Step 6: Final answer
    x = 41,430.18

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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.