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Finding the Fourth Proportional to 32,578.80, 48,866.04 and 9,207.60

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Solution

The fourth proportional to 32,578.80, 48,866.04 and 9,207.60 is: 13,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.80 : 48,866.04 = 9,207.60 : x
  2. Step 2: Convert to fraction form
    32,578.80/48,866.04 = 9,207.60/x
  3. Step 3: Cross multiply
    32,578.80x = 48,866.04 × 9,207.60
  4. Step 4: Simplify right side
    32,578.80x = 449,938,949.90
  5. Step 5: Solve for x
    x = 449,938,949.90/32,578.80
  6. Step 6: Final answer
    x = 13,810.79

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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.