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Finding the Fourth Proportional to 8,993.17, 13,490.56 and 2,419.21

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Solution

The fourth proportional to 8,993.17, 13,490.56 and 2,419.21 is: 3,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.17 : 13,490.56 = 2,419.21 : x
  2. Step 2: Convert to fraction form
    8,993.17/13,490.56 = 2,419.21/x
  3. Step 3: Cross multiply
    8,993.17x = 13,490.56 × 2,419.21
  4. Step 4: Simplify right side
    8,993.17x = 32,636,497.66
  5. Step 5: Solve for x
    x = 32,636,497.66/8,993.17
  6. Step 6: Final answer
    x = 3,629.03

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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.