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Finding the Fourth Proportional to 53,722.40, 80,612.40 and 22,560.80

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Solution

The fourth proportional to 53,722.40, 80,612.40 and 22,560.80 is: 33,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.40 : 80,612.40 = 22,560.80 : x
  2. Step 2: Convert to fraction form
    53,722.40/80,612.40 = 22,560.80/x
  3. Step 3: Cross multiply
    53,722.40x = 80,612.40 × 22,560.80
  4. Step 4: Simplify right side
    53,722.40x = 1,818,680,233.92
  5. Step 5: Solve for x
    x = 1,818,680,233.92/53,722.40
  6. Step 6: Final answer
    x = 33,853.29

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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.