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Finding the Fourth Proportional to 15,495.16, 23,229.79 and 7,181.14

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Solution

The fourth proportional to 15,495.16, 23,229.79 and 7,181.14 is: 10,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.16 : 23,229.79 = 7,181.14 : x
  2. Step 2: Convert to fraction form
    15,495.16/23,229.79 = 7,181.14/x
  3. Step 3: Cross multiply
    15,495.16x = 23,229.79 × 7,181.14
  4. Step 4: Simplify right side
    15,495.16x = 166,816,222.11
  5. Step 5: Solve for x
    x = 166,816,222.11/15,495.16
  6. Step 6: Final answer
    x = 10,765.70

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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.