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Finding the Fourth Proportional to 6,261.72, 9,392.62 and 1,581.72

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Solution

The fourth proportional to 6,261.72, 9,392.62 and 1,581.72 is: 2,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.72 : 9,392.62 = 1,581.72 : x
  2. Step 2: Convert to fraction form
    6,261.72/9,392.62 = 1,581.72/x
  3. Step 3: Cross multiply
    6,261.72x = 9,392.62 × 1,581.72
  4. Step 4: Simplify right side
    6,261.72x = 14,856,494.91
  5. Step 5: Solve for x
    x = 14,856,494.91/6,261.72
  6. Step 6: Final answer
    x = 2,372.59

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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.