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Finding the Fourth Proportional to 17,658.58, 26,487.89 and 6,568.06

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Solution

The fourth proportional to 17,658.58, 26,487.89 and 6,568.06 is: 9,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.58 : 26,487.89 = 6,568.06 : x
  2. Step 2: Convert to fraction form
    17,658.58/26,487.89 = 6,568.06/x
  3. Step 3: Cross multiply
    17,658.58x = 26,487.89 × 6,568.06
  4. Step 4: Simplify right side
    17,658.58x = 173,974,050.79
  5. Step 5: Solve for x
    x = 173,974,050.79/17,658.58
  6. Step 6: Final answer
    x = 9,852.10

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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.