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Finding the Fourth Proportional to 32,558.52, 48,839.49 and 9,186.78

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Solution

The fourth proportional to 32,558.52, 48,839.49 and 9,186.78 is: 13,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,558.52 : 48,839.49 = 9,186.78 : x
  2. Step 2: Convert to fraction form
    32,558.52/48,839.49 = 9,186.78/x
  3. Step 3: Cross multiply
    32,558.52x = 48,839.49 × 9,186.78
  4. Step 4: Simplify right side
    32,558.52x = 448,677,649.94
  5. Step 5: Solve for x
    x = 448,677,649.94/32,558.52
  6. Step 6: Final answer
    x = 13,780.65

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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.