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Finding the Fourth Proportional to 23,978.58, 33,102.18 and 18,589.11

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Solution

The fourth proportional to 23,978.58, 33,102.18 and 18,589.11 is: 25,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,978.58 : 33,102.18 = 18,589.11 : x
  2. Step 2: Convert to fraction form
    23,978.58/33,102.18 = 18,589.11/x
  3. Step 3: Cross multiply
    23,978.58x = 33,102.18 × 18,589.11
  4. Step 4: Simplify right side
    23,978.58x = 615,340,065.26
  5. Step 5: Solve for x
    x = 615,340,065.26/23,978.58
  6. Step 6: Final answer
    x = 25,662.07

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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.