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Finding the Fourth Proportional to 40,635.84, 56,081.68 and 23,408.80

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Solution

The fourth proportional to 40,635.84, 56,081.68 and 23,408.80 is: 32,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,635.84 : 56,081.68 = 23,408.80 : x
  2. Step 2: Convert to fraction form
    40,635.84/56,081.68 = 23,408.80/x
  3. Step 3: Cross multiply
    40,635.84x = 56,081.68 × 23,408.80
  4. Step 4: Simplify right side
    40,635.84x = 1,312,804,980.44
  5. Step 5: Solve for x
    x = 1,312,804,980.44/40,635.84
  6. Step 6: Final answer
    x = 32,306.58

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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.