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Finding the Fourth Proportional to 39,347.34, 54,297.95 and 21,441.98

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Solution

The fourth proportional to 39,347.34, 54,297.95 and 21,441.98 is: 29,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.34 : 54,297.95 = 21,441.98 : x
  2. Step 2: Convert to fraction form
    39,347.34/54,297.95 = 21,441.98/x
  3. Step 3: Cross multiply
    39,347.34x = 54,297.95 × 21,441.98
  4. Step 4: Simplify right side
    39,347.34x = 1,164,255,557.94
  5. Step 5: Solve for x
    x = 1,164,255,557.94/39,347.34
  6. Step 6: Final answer
    x = 29,589.18

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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.