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Finding the Fourth Proportional to 11,751.52, 17,608.38 and 8,041.18

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Solution

The fourth proportional to 11,751.52, 17,608.38 and 8,041.18 is: 12,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.52 : 17,608.38 = 8,041.18 : x
  2. Step 2: Convert to fraction form
    11,751.52/17,608.38 = 8,041.18/x
  3. Step 3: Cross multiply
    11,751.52x = 17,608.38 × 8,041.18
  4. Step 4: Simplify right side
    11,751.52x = 141,592,153.09
  5. Step 5: Solve for x
    x = 141,592,153.09/11,751.52
  6. Step 6: Final answer
    x = 12,048.84

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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.