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Finding the Fourth Proportional to 75,504.40, 113,253.98 and 19,344.97

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Solution

The fourth proportional to 75,504.40, 113,253.98 and 19,344.97 is: 29,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,504.40 : 113,253.98 = 19,344.97 : x
  2. Step 2: Convert to fraction form
    75,504.40/113,253.98 = 19,344.97/x
  3. Step 3: Cross multiply
    75,504.40x = 113,253.98 × 19,344.97
  4. Step 4: Simplify right side
    75,504.40x = 2,190,895,031.89
  5. Step 5: Solve for x
    x = 2,190,895,031.89/75,504.40
  6. Step 6: Final answer
    x = 29,016.79

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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.