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Finding the Fourth Proportional to 7,663.52, 11,495.52 and 2,469.92

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Solution

The fourth proportional to 7,663.52, 11,495.52 and 2,469.92 is: 3,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.52 : 11,495.52 = 2,469.92 : x
  2. Step 2: Convert to fraction form
    7,663.52/11,495.52 = 2,469.92/x
  3. Step 3: Cross multiply
    7,663.52x = 11,495.52 × 2,469.92
  4. Step 4: Simplify right side
    7,663.52x = 28,393,014.76
  5. Step 5: Solve for x
    x = 28,393,014.76/7,663.52
  6. Step 6: Final answer
    x = 3,704.96

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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.