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Finding the Fourth Proportional to 67,343.71, 101,031.42 and 19,959.19

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Solution

The fourth proportional to 67,343.71, 101,031.42 and 19,959.19 is: 29,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.71 : 101,031.42 = 19,959.19 : x
  2. Step 2: Convert to fraction form
    67,343.71/101,031.42 = 19,959.19/x
  3. Step 3: Cross multiply
    67,343.71x = 101,031.42 × 19,959.19
  4. Step 4: Simplify right side
    67,343.71x = 2,016,505,671.56
  5. Step 5: Solve for x
    x = 2,016,505,671.56/67,343.71
  6. Step 6: Final answer
    x = 29,943.49

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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.