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Finding the Fourth Proportional to 6,393.41, 8,827.54 and 5,507.67

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Solution

The fourth proportional to 6,393.41, 8,827.54 and 5,507.67 is: 7,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.41 : 8,827.54 = 5,507.67 : x
  2. Step 2: Convert to fraction form
    6,393.41/8,827.54 = 5,507.67/x
  3. Step 3: Cross multiply
    6,393.41x = 8,827.54 × 5,507.67
  4. Step 4: Simplify right side
    6,393.41x = 48,619,163.46
  5. Step 5: Solve for x
    x = 48,619,163.46/6,393.41
  6. Step 6: Final answer
    x = 7,604.58

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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.