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Finding the Fourth Proportional to 15,876.62, 23,818.07 and 5,346.21

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Solution

The fourth proportional to 15,876.62, 23,818.07 and 5,346.21 is: 8,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.62 : 23,818.07 = 5,346.21 : x
  2. Step 2: Convert to fraction form
    15,876.62/23,818.07 = 5,346.21/x
  3. Step 3: Cross multiply
    15,876.62x = 23,818.07 × 5,346.21
  4. Step 4: Simplify right side
    15,876.62x = 127,336,404.01
  5. Step 5: Solve for x
    x = 127,336,404.01/15,876.62
  6. Step 6: Final answer
    x = 8,020.37

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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.