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Finding the Fourth Proportional to 6,463.72, 8,923.32 and 4,350.36

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Solution

The fourth proportional to 6,463.72, 8,923.32 and 4,350.36 is: 6,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.72 : 8,923.32 = 4,350.36 : x
  2. Step 2: Convert to fraction form
    6,463.72/8,923.32 = 4,350.36/x
  3. Step 3: Cross multiply
    6,463.72x = 8,923.32 × 4,350.36
  4. Step 4: Simplify right side
    6,463.72x = 38,819,654.40
  5. Step 5: Solve for x
    x = 38,819,654.40/6,463.72
  6. Step 6: Final answer
    x = 6,005.78

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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.