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Finding the Fourth Proportional to 11,995.42, 17,995.29 and 5,750.14

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Solution

The fourth proportional to 11,995.42, 17,995.29 and 5,750.14 is: 8,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.42 : 17,995.29 = 5,750.14 : x
  2. Step 2: Convert to fraction form
    11,995.42/17,995.29 = 5,750.14/x
  3. Step 3: Cross multiply
    11,995.42x = 17,995.29 × 5,750.14
  4. Step 4: Simplify right side
    11,995.42x = 103,475,436.84
  5. Step 5: Solve for x
    x = 103,475,436.84/11,995.42
  6. Step 6: Final answer
    x = 8,626.25

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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.