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Finding the Fourth Proportional to 32,644.65, 48,970.50 and 13,926.66

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Solution

The fourth proportional to 32,644.65, 48,970.50 and 13,926.66 is: 20,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.65 : 48,970.50 = 13,926.66 : x
  2. Step 2: Convert to fraction form
    32,644.65/48,970.50 = 13,926.66/x
  3. Step 3: Cross multiply
    32,644.65x = 48,970.50 × 13,926.66
  4. Step 4: Simplify right side
    32,644.65x = 681,995,503.53
  5. Step 5: Solve for x
    x = 681,995,503.53/32,644.65
  6. Step 6: Final answer
    x = 20,891.49

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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.