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Finding the Fourth Proportional to 2,683.32, 4,023.76 and 833.88

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Solution

The fourth proportional to 2,683.32, 4,023.76 and 833.88 is: 1,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.32 : 4,023.76 = 833.88 : x
  2. Step 2: Convert to fraction form
    2,683.32/4,023.76 = 833.88/x
  3. Step 3: Cross multiply
    2,683.32x = 4,023.76 × 833.88
  4. Step 4: Simplify right side
    2,683.32x = 3,355,332.99
  5. Step 5: Solve for x
    x = 3,355,332.99/2,683.32
  6. Step 6: Final answer
    x = 1,250.44

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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.