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Finding the Fourth Proportional to 16,648.92, 22,975.56 and 9,574.88

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Solution

The fourth proportional to 16,648.92, 22,975.56 and 9,574.88 is: 13,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,648.92 : 22,975.56 = 9,574.88 : x
  2. Step 2: Convert to fraction form
    16,648.92/22,975.56 = 9,574.88/x
  3. Step 3: Cross multiply
    16,648.92x = 22,975.56 × 9,574.88
  4. Step 4: Simplify right side
    16,648.92x = 219,988,115.06
  5. Step 5: Solve for x
    x = 219,988,115.06/16,648.92
  6. Step 6: Final answer
    x = 13,213.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.