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Finding the Fourth Proportional to 5,267.72, 7,900.94 and 4,395.76

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Solution

The fourth proportional to 5,267.72, 7,900.94 and 4,395.76 is: 6,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.72 : 7,900.94 = 4,395.76 : x
  2. Step 2: Convert to fraction form
    5,267.72/7,900.94 = 4,395.76/x
  3. Step 3: Cross multiply
    5,267.72x = 7,900.94 × 4,395.76
  4. Step 4: Simplify right side
    5,267.72x = 34,730,636.01
  5. Step 5: Solve for x
    x = 34,730,636.01/5,267.72
  6. Step 6: Final answer
    x = 6,593.11

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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.