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Finding the Fourth Proportional to 15,843, 23,764.56 and 6,609

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Solution

The fourth proportional to 15,843, 23,764.56 and 6,609 is: 9,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,843 : 23,764.56 = 6,609 : x
  2. Step 2: Convert to fraction form
    15,843/23,764.56 = 6,609/x
  3. Step 3: Cross multiply
    15,843x = 23,764.56 × 6,609
  4. Step 4: Simplify right side
    15,843x = 157,059,977.04
  5. Step 5: Solve for x
    x = 157,059,977.04/15,843
  6. Step 6: Final answer
    x = 9,913.53

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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.