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Finding the Fourth Proportional to 6,247.22, 9,373.47 and 5,721.64

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Solution

The fourth proportional to 6,247.22, 9,373.47 and 5,721.64 is: 8,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.22 : 9,373.47 = 5,721.64 : x
  2. Step 2: Convert to fraction form
    6,247.22/9,373.47 = 5,721.64/x
  3. Step 3: Cross multiply
    6,247.22x = 9,373.47 × 5,721.64
  4. Step 4: Simplify right side
    6,247.22x = 53,631,597.46
  5. Step 5: Solve for x
    x = 53,631,597.46/6,247.22
  6. Step 6: Final answer
    x = 8,584.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.