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Finding the Fourth Proportional to 25,341.28, 34,971.02 and 14,163.28

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Solution

The fourth proportional to 25,341.28, 34,971.02 and 14,163.28 is: 19,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.28 : 34,971.02 = 14,163.28 : x
  2. Step 2: Convert to fraction form
    25,341.28/34,971.02 = 14,163.28/x
  3. Step 3: Cross multiply
    25,341.28x = 34,971.02 × 14,163.28
  4. Step 4: Simplify right side
    25,341.28x = 495,304,348.15
  5. Step 5: Solve for x
    x = 495,304,348.15/25,341.28
  6. Step 6: Final answer
    x = 19,545.36

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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.