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Finding the Fourth Proportional to 11,641.19, 17,461.87 and 3,321.19

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Solution

The fourth proportional to 11,641.19, 17,461.87 and 3,321.19 is: 4,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.19 : 17,461.87 = 3,321.19 : x
  2. Step 2: Convert to fraction form
    11,641.19/17,461.87 = 3,321.19/x
  3. Step 3: Cross multiply
    11,641.19x = 17,461.87 × 3,321.19
  4. Step 4: Simplify right side
    11,641.19x = 57,994,188.03
  5. Step 5: Solve for x
    x = 57,994,188.03/11,641.19
  6. Step 6: Final answer
    x = 4,981.81

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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.