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Finding the Fourth Proportional to 2,416.77, 3,626.78 and 937.17

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Solution

The fourth proportional to 2,416.77, 3,626.78 and 937.17 is: 1,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.77 : 3,626.78 = 937.17 : x
  2. Step 2: Convert to fraction form
    2,416.77/3,626.78 = 937.17/x
  3. Step 3: Cross multiply
    2,416.77x = 3,626.78 × 937.17
  4. Step 4: Simplify right side
    2,416.77x = 3,398,904.73
  5. Step 5: Solve for x
    x = 3,398,904.73/2,416.77
  6. Step 6: Final answer
    x = 1,406.38

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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.