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Finding the Fourth Proportional to 26,643.80, 40,025.10 and 22,269.80

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Solution

The fourth proportional to 26,643.80, 40,025.10 and 22,269.80 is: 33,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.80 : 40,025.10 = 22,269.80 : x
  2. Step 2: Convert to fraction form
    26,643.80/40,025.10 = 22,269.80/x
  3. Step 3: Cross multiply
    26,643.80x = 40,025.10 × 22,269.80
  4. Step 4: Simplify right side
    26,643.80x = 891,350,971.98
  5. Step 5: Solve for x
    x = 891,350,971.98/26,643.80
  6. Step 6: Final answer
    x = 33,454.35

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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.