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Finding the Fourth Proportional to 6,572.88, 9,072.36 and 5,245.92

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Solution

The fourth proportional to 6,572.88, 9,072.36 and 5,245.92 is: 7,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.88 : 9,072.36 = 5,245.92 : x
  2. Step 2: Convert to fraction form
    6,572.88/9,072.36 = 5,245.92/x
  3. Step 3: Cross multiply
    6,572.88x = 9,072.36 × 5,245.92
  4. Step 4: Simplify right side
    6,572.88x = 47,592,874.77
  5. Step 5: Solve for x
    x = 47,592,874.77/6,572.88
  6. Step 6: Final answer
    x = 7,240.79

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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.