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Finding the Fourth Proportional to 50,643.29, 69,891.03 and 27,982.28

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Solution

The fourth proportional to 50,643.29, 69,891.03 and 27,982.28 is: 38,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.29 : 69,891.03 = 27,982.28 : x
  2. Step 2: Convert to fraction form
    50,643.29/69,891.03 = 27,982.28/x
  3. Step 3: Cross multiply
    50,643.29x = 69,891.03 × 27,982.28
  4. Step 4: Simplify right side
    50,643.29x = 1,955,710,545.68
  5. Step 5: Solve for x
    x = 1,955,710,545.68/50,643.29
  6. Step 6: Final answer
    x = 38,617.37

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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.