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Finding the Fourth Proportional to 15,935.10, 23,902.64 and 7,589.82

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Solution

The fourth proportional to 15,935.10, 23,902.64 and 7,589.82 is: 11,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.10 : 23,902.64 = 7,589.82 : x
  2. Step 2: Convert to fraction form
    15,935.10/23,902.64 = 7,589.82/x
  3. Step 3: Cross multiply
    15,935.10x = 23,902.64 × 7,589.82
  4. Step 4: Simplify right side
    15,935.10x = 181,416,735.12
  5. Step 5: Solve for x
    x = 181,416,735.12/15,935.10
  6. Step 6: Final answer
    x = 11,384.73

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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.