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Finding the Fourth Proportional to 18,225.06, 27,349.11 and 10,449.06

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Solution

The fourth proportional to 18,225.06, 27,349.11 and 10,449.06 is: 15,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.06 : 27,349.11 = 10,449.06 : x
  2. Step 2: Convert to fraction form
    18,225.06/27,349.11 = 10,449.06/x
  3. Step 3: Cross multiply
    18,225.06x = 27,349.11 × 10,449.06
  4. Step 4: Simplify right side
    18,225.06x = 285,772,491.34
  5. Step 5: Solve for x
    x = 285,772,491.34/18,225.06
  6. Step 6: Final answer
    x = 15,680.19

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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.