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Finding the Fourth Proportional to 17,661.80, 26,483.10 and 6,568.04

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Solution

The fourth proportional to 17,661.80, 26,483.10 and 6,568.04 is: 9,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.80 : 26,483.10 = 6,568.04 : x
  2. Step 2: Convert to fraction form
    17,661.80/26,483.10 = 6,568.04/x
  3. Step 3: Cross multiply
    17,661.80x = 26,483.10 × 6,568.04
  4. Step 4: Simplify right side
    17,661.80x = 173,942,060.12
  5. Step 5: Solve for x
    x = 173,942,060.12/17,661.80
  6. Step 6: Final answer
    x = 9,848.49

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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.