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Finding the Fourth Proportional to 17,701.68, 26,554.18 and 5,855.50

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Solution

The fourth proportional to 17,701.68, 26,554.18 and 5,855.50 is: 8,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.68 : 26,554.18 = 5,855.50 : x
  2. Step 2: Convert to fraction form
    17,701.68/26,554.18 = 5,855.50/x
  3. Step 3: Cross multiply
    17,701.68x = 26,554.18 × 5,855.50
  4. Step 4: Simplify right side
    17,701.68x = 155,488,000.99
  5. Step 5: Solve for x
    x = 155,488,000.99/17,701.68
  6. Step 6: Final answer
    x = 8,783.80

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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.