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Finding the Fourth Proportional to 5,663.46, 7,815.00 and 3,306.97

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Solution

The fourth proportional to 5,663.46, 7,815.00 and 3,306.97 is: 4,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.46 : 7,815.00 = 3,306.97 : x
  2. Step 2: Convert to fraction form
    5,663.46/7,815.00 = 3,306.97/x
  3. Step 3: Cross multiply
    5,663.46x = 7,815.00 × 3,306.97
  4. Step 4: Simplify right side
    5,663.46x = 25,843,963.41
  5. Step 5: Solve for x
    x = 25,843,963.41/5,663.46
  6. Step 6: Final answer
    x = 4,563.28

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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.