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Finding the Fourth Proportional to 18,023.61, 26,874.13 and 17,999.01

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Solution

The fourth proportional to 18,023.61, 26,874.13 and 17,999.01 is: 26,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.61 : 26,874.13 = 17,999.01 : x
  2. Step 2: Convert to fraction form
    18,023.61/26,874.13 = 17,999.01/x
  3. Step 3: Cross multiply
    18,023.61x = 26,874.13 × 17,999.01
  4. Step 4: Simplify right side
    18,023.61x = 483,707,723.36
  5. Step 5: Solve for x
    x = 483,707,723.36/18,023.61
  6. Step 6: Final answer
    x = 26,837.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.