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Finding the Fourth Proportional to 17,751.66, 26,600.12 and 8,735.42

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Solution

The fourth proportional to 17,751.66, 26,600.12 and 8,735.42 is: 13,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.66 : 26,600.12 = 8,735.42 : x
  2. Step 2: Convert to fraction form
    17,751.66/26,600.12 = 8,735.42/x
  3. Step 3: Cross multiply
    17,751.66x = 26,600.12 × 8,735.42
  4. Step 4: Simplify right side
    17,751.66x = 232,363,243.07
  5. Step 5: Solve for x
    x = 232,363,243.07/17,751.66
  6. Step 6: Final answer
    x = 13,089.66

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1.5x scale

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.