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Finding the Fourth Proportional to 15,433, 23,152.80 and 6,199

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Solution

The fourth proportional to 15,433, 23,152.80 and 6,199 is: 9,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433 : 23,152.80 = 6,199 : x
  2. Step 2: Convert to fraction form
    15,433/23,152.80 = 6,199/x
  3. Step 3: Cross multiply
    15,433x = 23,152.80 × 6,199
  4. Step 4: Simplify right side
    15,433x = 143,524,207.20
  5. Step 5: Solve for x
    x = 143,524,207.20/15,433
  6. Step 6: Final answer
    x = 9,299.83

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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.