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Finding the Fourth Proportional to 39,976.80, 59,891.40 and 23,344.80

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Solution

The fourth proportional to 39,976.80, 59,891.40 and 23,344.80 is: 34,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.80 : 59,891.40 = 23,344.80 : x
  2. Step 2: Convert to fraction form
    39,976.80/59,891.40 = 23,344.80/x
  3. Step 3: Cross multiply
    39,976.80x = 59,891.40 × 23,344.80
  4. Step 4: Simplify right side
    39,976.80x = 1,398,152,754.72
  5. Step 5: Solve for x
    x = 1,398,152,754.72/39,976.80
  6. Step 6: Final answer
    x = 34,974.10

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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.