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Finding the Fourth Proportional to 15,909.22, 23,872.03 and 6,556.15

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Solution

The fourth proportional to 15,909.22, 23,872.03 and 6,556.15 is: 9,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.22 : 23,872.03 = 6,556.15 : x
  2. Step 2: Convert to fraction form
    15,909.22/23,872.03 = 6,556.15/x
  3. Step 3: Cross multiply
    15,909.22x = 23,872.03 × 6,556.15
  4. Step 4: Simplify right side
    15,909.22x = 156,508,533.41
  5. Step 5: Solve for x
    x = 156,508,533.41/15,909.22
  6. Step 6: Final answer
    x = 9,837.60

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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.