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Finding the Fourth Proportional to 11,751.13, 17,625.75 and 5,509.54

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Solution

The fourth proportional to 11,751.13, 17,625.75 and 5,509.54 is: 8,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.13 : 17,625.75 = 5,509.54 : x
  2. Step 2: Convert to fraction form
    11,751.13/17,625.75 = 5,509.54/x
  3. Step 3: Cross multiply
    11,751.13x = 17,625.75 × 5,509.54
  4. Step 4: Simplify right side
    11,751.13x = 97,109,807.02
  5. Step 5: Solve for x
    x = 97,109,807.02/11,751.13
  6. Step 6: Final answer
    x = 8,263.87

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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.