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Finding the Fourth Proportional to 3,046.10, 4,569.31 and 965.95

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Solution

The fourth proportional to 3,046.10, 4,569.31 and 965.95 is: 1,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.10 : 4,569.31 = 965.95 : x
  2. Step 2: Convert to fraction form
    3,046.10/4,569.31 = 965.95/x
  3. Step 3: Cross multiply
    3,046.10x = 4,569.31 × 965.95
  4. Step 4: Simplify right side
    3,046.10x = 4,413,711.16
  5. Step 5: Solve for x
    x = 4,413,711.16/3,046.10
  6. Step 6: Final answer
    x = 1,448.97

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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.