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Finding the Fourth Proportional to 15,791.56, 23,550.08 and 15,579.70

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Solution

The fourth proportional to 15,791.56, 23,550.08 and 15,579.70 is: 23,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.56 : 23,550.08 = 15,579.70 : x
  2. Step 2: Convert to fraction form
    15,791.56/23,550.08 = 15,579.70/x
  3. Step 3: Cross multiply
    15,791.56x = 23,550.08 × 15,579.70
  4. Step 4: Simplify right side
    15,791.56x = 366,903,181.38
  5. Step 5: Solve for x
    x = 366,903,181.38/15,791.56
  6. Step 6: Final answer
    x = 23,234.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.