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Finding the Fourth Proportional to 3,502.80, 4,833.88 and 1,930.92

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Solution

The fourth proportional to 3,502.80, 4,833.88 and 1,930.92 is: 2,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.80 : 4,833.88 = 1,930.92 : x
  2. Step 2: Convert to fraction form
    3,502.80/4,833.88 = 1,930.92/x
  3. Step 3: Cross multiply
    3,502.80x = 4,833.88 × 1,930.92
  4. Step 4: Simplify right side
    3,502.80x = 9,333,835.57
  5. Step 5: Solve for x
    x = 9,333,835.57/3,502.80
  6. Step 6: Final answer
    x = 2,664.68

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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.