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Finding the Fourth Proportional to 32,706.81, 48,995.87 and 21,579.53

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Solution

The fourth proportional to 32,706.81, 48,995.87 and 21,579.53 is: 32,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,706.81 : 48,995.87 = 21,579.53 : x
  2. Step 2: Convert to fraction form
    32,706.81/48,995.87 = 21,579.53/x
  3. Step 3: Cross multiply
    32,706.81x = 48,995.87 × 21,579.53
  4. Step 4: Simplify right side
    32,706.81x = 1,057,307,493.66
  5. Step 5: Solve for x
    x = 1,057,307,493.66/32,706.81
  6. Step 6: Final answer
    x = 32,326.83

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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.