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Finding the Fourth Proportional to 32,490.48, 44,834.36 and 18,344.72

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Solution

The fourth proportional to 32,490.48, 44,834.36 and 18,344.72 is: 25,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.48 : 44,834.36 = 18,344.72 : x
  2. Step 2: Convert to fraction form
    32,490.48/44,834.36 = 18,344.72/x
  3. Step 3: Cross multiply
    32,490.48x = 44,834.36 × 18,344.72
  4. Step 4: Simplify right side
    32,490.48x = 822,473,780.58
  5. Step 5: Solve for x
    x = 822,473,780.58/32,490.48
  6. Step 6: Final answer
    x = 25,314.30

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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.