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Finding the Fourth Proportional to 11,884.32, 17,844.90 and 11,358.42

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Solution

The fourth proportional to 11,884.32, 17,844.90 and 11,358.42 is: 17,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.32 : 17,844.90 = 11,358.42 : x
  2. Step 2: Convert to fraction form
    11,884.32/17,844.90 = 11,358.42/x
  3. Step 3: Cross multiply
    11,884.32x = 17,844.90 × 11,358.42
  4. Step 4: Simplify right side
    11,884.32x = 202,689,869.06
  5. Step 5: Solve for x
    x = 202,689,869.06/11,884.32
  6. Step 6: Final answer
    x = 17,055.23

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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.