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Finding the Fourth Proportional to 22,380.54, 33,570.78 and 10,658.22

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Solution

The fourth proportional to 22,380.54, 33,570.78 and 10,658.22 is: 15,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.54 : 33,570.78 = 10,658.22 : x
  2. Step 2: Convert to fraction form
    22,380.54/33,570.78 = 10,658.22/x
  3. Step 3: Cross multiply
    22,380.54x = 33,570.78 × 10,658.22
  4. Step 4: Simplify right side
    22,380.54x = 357,804,758.81
  5. Step 5: Solve for x
    x = 357,804,758.81/22,380.54
  6. Step 6: Final answer
    x = 15,987.32

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Similar ratio
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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.