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Finding the Fourth Proportional to 18,133.50, 25,023.03 and 10,067.10

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Solution

The fourth proportional to 18,133.50, 25,023.03 and 10,067.10 is: 13,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.50 : 25,023.03 = 10,067.10 : x
  2. Step 2: Convert to fraction form
    18,133.50/25,023.03 = 10,067.10/x
  3. Step 3: Cross multiply
    18,133.50x = 25,023.03 × 10,067.10
  4. Step 4: Simplify right side
    18,133.50x = 251,909,345.31
  5. Step 5: Solve for x
    x = 251,909,345.31/18,133.50
  6. Step 6: Final answer
    x = 13,891.93

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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.