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Finding the Fourth Proportional to 6,803.43, 9,389.82 and 6,358.74

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Solution

The fourth proportional to 6,803.43, 9,389.82 and 6,358.74 is: 8,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.43 : 9,389.82 = 6,358.74 : x
  2. Step 2: Convert to fraction form
    6,803.43/9,389.82 = 6,358.74/x
  3. Step 3: Cross multiply
    6,803.43x = 9,389.82 × 6,358.74
  4. Step 4: Simplify right side
    6,803.43x = 59,707,424.03
  5. Step 5: Solve for x
    x = 59,707,424.03/6,803.43
  6. Step 6: Final answer
    x = 8,776.08

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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.