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Finding the Fourth Proportional to 26,188, 36,139.44 and 15,010

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Solution

The fourth proportional to 26,188, 36,139.44 and 15,010 is: 20,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188 : 36,139.44 = 15,010 : x
  2. Step 2: Convert to fraction form
    26,188/36,139.44 = 15,010/x
  3. Step 3: Cross multiply
    26,188x = 36,139.44 × 15,010
  4. Step 4: Simplify right side
    26,188x = 542,452,994.40
  5. Step 5: Solve for x
    x = 542,452,994.40/26,188
  6. Step 6: Final answer
    x = 20,713.80

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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.