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Finding the Fourth Proportional to 3,276.41, 4,913.64 and 936.26

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Solution

The fourth proportional to 3,276.41, 4,913.64 and 936.26 is: 1,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.41 : 4,913.64 = 936.26 : x
  2. Step 2: Convert to fraction form
    3,276.41/4,913.64 = 936.26/x
  3. Step 3: Cross multiply
    3,276.41x = 4,913.64 × 936.26
  4. Step 4: Simplify right side
    3,276.41x = 4,600,444.59
  5. Step 5: Solve for x
    x = 4,600,444.59/3,276.41
  6. Step 6: Final answer
    x = 1,404.11

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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.