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Finding the Fourth Proportional to 32,974.58, 45,479.80 and 28,383.17

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Solution

The fourth proportional to 32,974.58, 45,479.80 and 28,383.17 is: 39,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,974.58 : 45,479.80 = 28,383.17 : x
  2. Step 2: Convert to fraction form
    32,974.58/45,479.80 = 28,383.17/x
  3. Step 3: Cross multiply
    32,974.58x = 45,479.80 × 28,383.17
  4. Step 4: Simplify right side
    32,974.58x = 1,290,860,894.97
  5. Step 5: Solve for x
    x = 1,290,860,894.97/32,974.58
  6. Step 6: Final answer
    x = 39,147.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.