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Finding the Fourth Proportional to 18,552.47, 27,726.84 and 13,565.34

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Solution

The fourth proportional to 18,552.47, 27,726.84 and 13,565.34 is: 20,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.47 : 27,726.84 = 13,565.34 : x
  2. Step 2: Convert to fraction form
    18,552.47/27,726.84 = 13,565.34/x
  3. Step 3: Cross multiply
    18,552.47x = 27,726.84 × 13,565.34
  4. Step 4: Simplify right side
    18,552.47x = 376,124,064.83
  5. Step 5: Solve for x
    x = 376,124,064.83/18,552.47
  6. Step 6: Final answer
    x = 20,273.53

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