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Finding the Fourth Proportional to 22,243.56, 33,374.78 and 9,757.16

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Solution

The fourth proportional to 22,243.56, 33,374.78 and 9,757.16 is: 14,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.56 : 33,374.78 = 9,757.16 : x
  2. Step 2: Convert to fraction form
    22,243.56/33,374.78 = 9,757.16/x
  3. Step 3: Cross multiply
    22,243.56x = 33,374.78 × 9,757.16
  4. Step 4: Simplify right side
    22,243.56x = 325,643,068.42
  5. Step 5: Solve for x
    x = 325,643,068.42/22,243.56
  6. Step 6: Final answer
    x = 14,639.88

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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.