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Finding the Fourth Proportional to 33,122.88, 45,712.80 and 24,724.80

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Solution

The fourth proportional to 33,122.88, 45,712.80 and 24,724.80 is: 34,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,122.88 : 45,712.80 = 24,724.80 : x
  2. Step 2: Convert to fraction form
    33,122.88/45,712.80 = 24,724.80/x
  3. Step 3: Cross multiply
    33,122.88x = 45,712.80 × 24,724.80
  4. Step 4: Simplify right side
    33,122.88x = 1,130,239,837.44
  5. Step 5: Solve for x
    x = 1,130,239,837.44/33,122.88
  6. Step 6: Final answer
    x = 34,122.63

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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.