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Finding the Fourth Proportional to 22,534.80, 33,809.40 and 7,753.20

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Solution

The fourth proportional to 22,534.80, 33,809.40 and 7,753.20 is: 11,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,534.80 : 33,809.40 = 7,753.20 : x
  2. Step 2: Convert to fraction form
    22,534.80/33,809.40 = 7,753.20/x
  3. Step 3: Cross multiply
    22,534.80x = 33,809.40 × 7,753.20
  4. Step 4: Simplify right side
    22,534.80x = 262,131,040.08
  5. Step 5: Solve for x
    x = 262,131,040.08/22,534.80
  6. Step 6: Final answer
    x = 11,632.28

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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.