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Finding the Fourth Proportional to 15,081.04, 22,621.56 and 8,169.04

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Solution

The fourth proportional to 15,081.04, 22,621.56 and 8,169.04 is: 12,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.04 : 22,621.56 = 8,169.04 : x
  2. Step 2: Convert to fraction form
    15,081.04/22,621.56 = 8,169.04/x
  3. Step 3: Cross multiply
    15,081.04x = 22,621.56 × 8,169.04
  4. Step 4: Simplify right side
    15,081.04x = 184,796,428.50
  5. Step 5: Solve for x
    x = 184,796,428.50/15,081.04
  6. Step 6: Final answer
    x = 12,253.56

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Similar ratio
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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.