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Finding the Fourth Proportional to 18,925.78, 26,118.77 and 10,542.26

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Solution

The fourth proportional to 18,925.78, 26,118.77 and 10,542.26 is: 14,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.78 : 26,118.77 = 10,542.26 : x
  2. Step 2: Convert to fraction form
    18,925.78/26,118.77 = 10,542.26/x
  3. Step 3: Cross multiply
    18,925.78x = 26,118.77 × 10,542.26
  4. Step 4: Simplify right side
    18,925.78x = 275,350,864.22
  5. Step 5: Solve for x
    x = 275,350,864.22/18,925.78
  6. Step 6: Final answer
    x = 14,548.98

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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.