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Finding the Fourth Proportional to 6,816.64, 9,423.73 and 6,754.27

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Solution

The fourth proportional to 6,816.64, 9,423.73 and 6,754.27 is: 9,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.64 : 9,423.73 = 6,754.27 : x
  2. Step 2: Convert to fraction form
    6,816.64/9,423.73 = 6,754.27/x
  3. Step 3: Cross multiply
    6,816.64x = 9,423.73 × 6,754.27
  4. Step 4: Simplify right side
    6,816.64x = 63,650,416.83
  5. Step 5: Solve for x
    x = 63,650,416.83/6,816.64
  6. Step 6: Final answer
    x = 9,337.51

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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.