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Finding the Fourth Proportional to 32,388.30, 48,596.56 and 11,343.46

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Solution

The fourth proportional to 32,388.30, 48,596.56 and 11,343.46 is: 17,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.30 : 48,596.56 = 11,343.46 : x
  2. Step 2: Convert to fraction form
    32,388.30/48,596.56 = 11,343.46/x
  3. Step 3: Cross multiply
    32,388.30x = 48,596.56 × 11,343.46
  4. Step 4: Simplify right side
    32,388.30x = 551,252,984.65
  5. Step 5: Solve for x
    x = 551,252,984.65/32,388.30
  6. Step 6: Final answer
    x = 17,020.13

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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.