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Finding the Fourth Proportional to 22,612.56, 33,913.08 and 7,022.16

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Solution

The fourth proportional to 22,612.56, 33,913.08 and 7,022.16 is: 10,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.56 : 33,913.08 = 7,022.16 : x
  2. Step 2: Convert to fraction form
    22,612.56/33,913.08 = 7,022.16/x
  3. Step 3: Cross multiply
    22,612.56x = 33,913.08 × 7,022.16
  4. Step 4: Simplify right side
    22,612.56x = 238,143,073.85
  5. Step 5: Solve for x
    x = 238,143,073.85/22,612.56
  6. Step 6: Final answer
    x = 10,531.45

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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.