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Finding the Fourth Proportional to 22,768.08, 34,154.28 and 8,918.16

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Solution

The fourth proportional to 22,768.08, 34,154.28 and 8,918.16 is: 13,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.08 : 34,154.28 = 8,918.16 : x
  2. Step 2: Convert to fraction form
    22,768.08/34,154.28 = 8,918.16/x
  3. Step 3: Cross multiply
    22,768.08x = 34,154.28 × 8,918.16
  4. Step 4: Simplify right side
    22,768.08x = 304,593,333.72
  5. Step 5: Solve for x
    x = 304,593,333.72/22,768.08
  6. Step 6: Final answer
    x = 13,378.09

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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.