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Finding the Fourth Proportional to 18,971, 26,179.98 and 10,587.56

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Solution

The fourth proportional to 18,971, 26,179.98 and 10,587.56 is: 14,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971 : 26,179.98 = 10,587.56 : x
  2. Step 2: Convert to fraction form
    18,971/26,179.98 = 10,587.56/x
  3. Step 3: Cross multiply
    18,971x = 26,179.98 × 10,587.56
  4. Step 4: Simplify right side
    18,971x = 277,182,109.05
  5. Step 5: Solve for x
    x = 277,182,109.05/18,971
  6. Step 6: Final answer
    x = 14,610.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.