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Finding the Fourth Proportional to 15,980.82, 23,974.47 and 5,599.86

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Solution

The fourth proportional to 15,980.82, 23,974.47 and 5,599.86 is: 8,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.82 : 23,974.47 = 5,599.86 : x
  2. Step 2: Convert to fraction form
    15,980.82/23,974.47 = 5,599.86/x
  3. Step 3: Cross multiply
    15,980.82x = 23,974.47 × 5,599.86
  4. Step 4: Simplify right side
    15,980.82x = 134,253,675.57
  5. Step 5: Solve for x
    x = 134,253,675.57/15,980.82
  6. Step 6: Final answer
    x = 8,400.93

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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.