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Finding the Fourth Proportional to 6,810.50, 9,398.49 and 4,330.82

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Solution

The fourth proportional to 6,810.50, 9,398.49 and 4,330.82 is: 5,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.50 : 9,398.49 = 4,330.82 : x
  2. Step 2: Convert to fraction form
    6,810.50/9,398.49 = 4,330.82/x
  3. Step 3: Cross multiply
    6,810.50x = 9,398.49 × 4,330.82
  4. Step 4: Simplify right side
    6,810.50x = 40,703,168.46
  5. Step 5: Solve for x
    x = 40,703,168.46/6,810.50
  6. Step 6: Final answer
    x = 5,976.53

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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.