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Finding the Fourth Proportional to 29,116.80, 43,718.40 and 22,550.40

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Solution

The fourth proportional to 29,116.80, 43,718.40 and 22,550.40 is: 33,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.80 : 43,718.40 = 22,550.40 : x
  2. Step 2: Convert to fraction form
    29,116.80/43,718.40 = 22,550.40/x
  3. Step 3: Cross multiply
    29,116.80x = 43,718.40 × 22,550.40
  4. Step 4: Simplify right side
    29,116.80x = 985,867,407.36
  5. Step 5: Solve for x
    x = 985,867,407.36/29,116.80
  6. Step 6: Final answer
    x = 33,859.06

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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.