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Finding the Fourth Proportional to 11,686.36, 17,532.18 and 3,895.48

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Solution

The fourth proportional to 11,686.36, 17,532.18 and 3,895.48 is: 5,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.36 : 17,532.18 = 3,895.48 : x
  2. Step 2: Convert to fraction form
    11,686.36/17,532.18 = 3,895.48/x
  3. Step 3: Cross multiply
    11,686.36x = 17,532.18 × 3,895.48
  4. Step 4: Simplify right side
    11,686.36x = 68,296,256.55
  5. Step 5: Solve for x
    x = 68,296,256.55/11,686.36
  6. Step 6: Final answer
    x = 5,844.10

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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.