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Finding the Fourth Proportional to 75,326.28, 112,918.71 and 25,371.42

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Solution

The fourth proportional to 75,326.28, 112,918.71 and 25,371.42 is: 38,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.28 : 112,918.71 = 25,371.42 : x
  2. Step 2: Convert to fraction form
    75,326.28/112,918.71 = 25,371.42/x
  3. Step 3: Cross multiply
    75,326.28x = 112,918.71 × 25,371.42
  4. Step 4: Simplify right side
    75,326.28x = 2,864,908,017.27
  5. Step 5: Solve for x
    x = 2,864,908,017.27/75,326.28
  6. Step 6: Final answer
    x = 38,033.31

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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.