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Finding the Fourth Proportional to 23,891.40, 35,837.10 and 18,059.40

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Solution

The fourth proportional to 23,891.40, 35,837.10 and 18,059.40 is: 27,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.40 : 35,837.10 = 18,059.40 : x
  2. Step 2: Convert to fraction form
    23,891.40/35,837.10 = 18,059.40/x
  3. Step 3: Cross multiply
    23,891.40x = 35,837.10 × 18,059.40
  4. Step 4: Simplify right side
    23,891.40x = 647,196,523.74
  5. Step 5: Solve for x
    x = 647,196,523.74/23,891.40
  6. Step 6: Final answer
    x = 27,089.10

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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.