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Finding the Fourth Proportional to 11,339.40, 17,009.10 and 3,548.22

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Solution

The fourth proportional to 11,339.40, 17,009.10 and 3,548.22 is: 5,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.40 : 17,009.10 = 3,548.22 : x
  2. Step 2: Convert to fraction form
    11,339.40/17,009.10 = 3,548.22/x
  3. Step 3: Cross multiply
    11,339.40x = 17,009.10 × 3,548.22
  4. Step 4: Simplify right side
    11,339.40x = 60,352,028.80
  5. Step 5: Solve for x
    x = 60,352,028.80/11,339.40
  6. Step 6: Final answer
    x = 5,322.33

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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.