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Finding the Fourth Proportional to 32,388.91, 48,583.36 and 18,528.19

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Solution

The fourth proportional to 32,388.91, 48,583.36 and 18,528.19 is: 27,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.91 : 48,583.36 = 18,528.19 : x
  2. Step 2: Convert to fraction form
    32,388.91/48,583.36 = 18,528.19/x
  3. Step 3: Cross multiply
    32,388.91x = 48,583.36 × 18,528.19
  4. Step 4: Simplify right side
    32,388.91x = 900,161,626.62
  5. Step 5: Solve for x
    x = 900,161,626.62/32,388.91
  6. Step 6: Final answer
    x = 27,792.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.