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Finding the Fourth Proportional to 5,663.52, 7,815.42 and 3,306.96

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Solution

The fourth proportional to 5,663.52, 7,815.42 and 3,306.96 is: 4,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.52 : 7,815.42 = 3,306.96 : x
  2. Step 2: Convert to fraction form
    5,663.52/7,815.42 = 3,306.96/x
  3. Step 3: Cross multiply
    5,663.52x = 7,815.42 × 3,306.96
  4. Step 4: Simplify right side
    5,663.52x = 25,845,281.32
  5. Step 5: Solve for x
    x = 25,845,281.32/5,663.52
  6. Step 6: Final answer
    x = 4,563.47

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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.