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Finding the Fourth Proportional to 22,428.16, 33,642.88 and 6,844.16

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Solution

The fourth proportional to 22,428.16, 33,642.88 and 6,844.16 is: 10,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.16 : 33,642.88 = 6,844.16 : x
  2. Step 2: Convert to fraction form
    22,428.16/33,642.88 = 6,844.16/x
  3. Step 3: Cross multiply
    22,428.16x = 33,642.88 × 6,844.16
  4. Step 4: Simplify right side
    22,428.16x = 230,257,253.58
  5. Step 5: Solve for x
    x = 230,257,253.58/22,428.16
  6. Step 6: Final answer
    x = 10,266.44

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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.