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Finding the Fourth Proportional to 6,366.43, 9,505.49 and 5,972.77

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Solution

The fourth proportional to 6,366.43, 9,505.49 and 5,972.77 is: 8,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.43 : 9,505.49 = 5,972.77 : x
  2. Step 2: Convert to fraction form
    6,366.43/9,505.49 = 5,972.77/x
  3. Step 3: Cross multiply
    6,366.43x = 9,505.49 × 5,972.77
  4. Step 4: Simplify right side
    6,366.43x = 56,774,105.51
  5. Step 5: Solve for x
    x = 56,774,105.51/6,366.43
  6. Step 6: Final answer
    x = 8,917.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.