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Finding the Fourth Proportional to 17,281.92, 25,920.72 and 4,802.88

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Solution

The fourth proportional to 17,281.92, 25,920.72 and 4,802.88 is: 7,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.92 : 25,920.72 = 4,802.88 : x
  2. Step 2: Convert to fraction form
    17,281.92/25,920.72 = 4,802.88/x
  3. Step 3: Cross multiply
    17,281.92x = 25,920.72 × 4,802.88
  4. Step 4: Simplify right side
    17,281.92x = 124,494,107.67
  5. Step 5: Solve for x
    x = 124,494,107.67/17,281.92
  6. Step 6: Final answer
    x = 7,203.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.