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Finding the Fourth Proportional to 7,473.72, 10,313.73 and 4,331.73

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Solution

The fourth proportional to 7,473.72, 10,313.73 and 4,331.73 is: 5,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.72 : 10,313.73 = 4,331.73 : x
  2. Step 2: Convert to fraction form
    7,473.72/10,313.73 = 4,331.73/x
  3. Step 3: Cross multiply
    7,473.72x = 10,313.73 × 4,331.73
  4. Step 4: Simplify right side
    7,473.72x = 44,676,304.48
  5. Step 5: Solve for x
    x = 44,676,304.48/7,473.72
  6. Step 6: Final answer
    x = 5,977.79

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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.