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Finding the Fourth Proportional to 17,880.03, 26,823.14 and 7,355.84

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Solution

The fourth proportional to 17,880.03, 26,823.14 and 7,355.84 is: 11,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.03 : 26,823.14 = 7,355.84 : x
  2. Step 2: Convert to fraction form
    17,880.03/26,823.14 = 7,355.84/x
  3. Step 3: Cross multiply
    17,880.03x = 26,823.14 × 7,355.84
  4. Step 4: Simplify right side
    17,880.03x = 197,306,555.24
  5. Step 5: Solve for x
    x = 197,306,555.24/17,880.03
  6. Step 6: Final answer
    x = 11,035.02

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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.