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Finding the Fourth Proportional to 6,393.73, 8,824.40 and 4,004.61

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Solution

The fourth proportional to 6,393.73, 8,824.40 and 4,004.61 is: 5,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.73 : 8,824.40 = 4,004.61 : x
  2. Step 2: Convert to fraction form
    6,393.73/8,824.40 = 4,004.61/x
  3. Step 3: Cross multiply
    6,393.73x = 8,824.40 × 4,004.61
  4. Step 4: Simplify right side
    6,393.73x = 35,338,216.34
  5. Step 5: Solve for x
    x = 35,338,216.34/6,393.73
  6. Step 6: Final answer
    x = 5,527.01

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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.