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Finding the Fourth Proportional to 6,295.98, 8,667.36 and 4,721.34

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Solution

The fourth proportional to 6,295.98, 8,667.36 and 4,721.34 is: 6,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.98 : 8,667.36 = 4,721.34 : x
  2. Step 2: Convert to fraction form
    6,295.98/8,667.36 = 4,721.34/x
  3. Step 3: Cross multiply
    6,295.98x = 8,667.36 × 4,721.34
  4. Step 4: Simplify right side
    6,295.98x = 40,921,553.46
  5. Step 5: Solve for x
    x = 40,921,553.46/6,295.98
  6. Step 6: Final answer
    x = 6,499.63

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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.