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Finding the Fourth Proportional to 3,966.18, 5,472.54 and 2,394.36

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Solution

The fourth proportional to 3,966.18, 5,472.54 and 2,394.36 is: 3,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.18 : 5,472.54 = 2,394.36 : x
  2. Step 2: Convert to fraction form
    3,966.18/5,472.54 = 2,394.36/x
  3. Step 3: Cross multiply
    3,966.18x = 5,472.54 × 2,394.36
  4. Step 4: Simplify right side
    3,966.18x = 13,103,230.87
  5. Step 5: Solve for x
    x = 13,103,230.87/3,966.18
  6. Step 6: Final answer
    x = 3,303.74

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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.