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Finding the Fourth Proportional to 3,393.92, 4,684.80 and 2,404.16

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Solution

The fourth proportional to 3,393.92, 4,684.80 and 2,404.16 is: 3,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.92 : 4,684.80 = 2,404.16 : x
  2. Step 2: Convert to fraction form
    3,393.92/4,684.80 = 2,404.16/x
  3. Step 3: Cross multiply
    3,393.92x = 4,684.80 × 2,404.16
  4. Step 4: Simplify right side
    3,393.92x = 11,263,008.77
  5. Step 5: Solve for x
    x = 11,263,008.77/3,393.92
  6. Step 6: Final answer
    x = 3,318.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.