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Finding the Fourth Proportional to 4,663.70, 6,996.83 and 1,376.79

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Solution

The fourth proportional to 4,663.70, 6,996.83 and 1,376.79 is: 2,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.70 : 6,996.83 = 1,376.79 : x
  2. Step 2: Convert to fraction form
    4,663.70/6,996.83 = 1,376.79/x
  3. Step 3: Cross multiply
    4,663.70x = 6,996.83 × 1,376.79
  4. Step 4: Simplify right side
    4,663.70x = 9,633,162.13
  5. Step 5: Solve for x
    x = 9,633,162.13/4,663.70
  6. Step 6: Final answer
    x = 2,065.56

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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.