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Finding the Fourth Proportional to 24,798.56, 34,212.11 and 15,843.74

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Solution

The fourth proportional to 24,798.56, 34,212.11 and 15,843.74 is: 21,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,798.56 : 34,212.11 = 15,843.74 : x
  2. Step 2: Convert to fraction form
    24,798.56/34,212.11 = 15,843.74/x
  3. Step 3: Cross multiply
    24,798.56x = 34,212.11 × 15,843.74
  4. Step 4: Simplify right side
    24,798.56x = 542,047,775.69
  5. Step 5: Solve for x
    x = 542,047,775.69/24,798.56
  6. Step 6: Final answer
    x = 21,858.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.