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Finding the Fourth Proportional to 2,408.60, 3,612.60 and 1,022.18

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Solution

The fourth proportional to 2,408.60, 3,612.60 and 1,022.18 is: 1,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.60 : 3,612.60 = 1,022.18 : x
  2. Step 2: Convert to fraction form
    2,408.60/3,612.60 = 1,022.18/x
  3. Step 3: Cross multiply
    2,408.60x = 3,612.60 × 1,022.18
  4. Step 4: Simplify right side
    2,408.60x = 3,692,727.47
  5. Step 5: Solve for x
    x = 3,692,727.47/2,408.60
  6. Step 6: Final answer
    x = 1,533.14

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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.