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Finding the Fourth Proportional to 32,578.92, 48,868.22 and 9,205.28

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Solution

The fourth proportional to 32,578.92, 48,868.22 and 9,205.28 is: 13,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.92 : 48,868.22 = 9,205.28 : x
  2. Step 2: Convert to fraction form
    32,578.92/48,868.22 = 9,205.28/x
  3. Step 3: Cross multiply
    32,578.92x = 48,868.22 × 9,205.28
  4. Step 4: Simplify right side
    32,578.92x = 449,845,648.20
  5. Step 5: Solve for x
    x = 449,845,648.20/32,578.92
  6. Step 6: Final answer
    x = 13,807.87

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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.