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Finding the Fourth Proportional to 11,339.58, 17,010.62 and 3,019.90

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Solution

The fourth proportional to 11,339.58, 17,010.62 and 3,019.90 is: 4,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.58 : 17,010.62 = 3,019.90 : x
  2. Step 2: Convert to fraction form
    11,339.58/17,010.62 = 3,019.90/x
  3. Step 3: Cross multiply
    11,339.58x = 17,010.62 × 3,019.90
  4. Step 4: Simplify right side
    11,339.58x = 51,370,371.34
  5. Step 5: Solve for x
    x = 51,370,371.34/11,339.58
  6. Step 6: Final answer
    x = 4,530.18

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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.