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Finding the Fourth Proportional to 16,555.32, 22,841.73 and 9,481.32

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Solution

The fourth proportional to 16,555.32, 22,841.73 and 9,481.32 is: 13,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.32 : 22,841.73 = 9,481.32 : x
  2. Step 2: Convert to fraction form
    16,555.32/22,841.73 = 9,481.32/x
  3. Step 3: Cross multiply
    16,555.32x = 22,841.73 × 9,481.32
  4. Step 4: Simplify right side
    16,555.32x = 216,569,751.48
  5. Step 5: Solve for x
    x = 216,569,751.48/16,555.32
  6. Step 6: Final answer
    x = 13,081.58

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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.