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Finding the Fourth Proportional to 7,092.96, 10,631.08 and 2,930.96

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Solution

The fourth proportional to 7,092.96, 10,631.08 and 2,930.96 is: 4,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.96 : 10,631.08 = 2,930.96 : x
  2. Step 2: Convert to fraction form
    7,092.96/10,631.08 = 2,930.96/x
  3. Step 3: Cross multiply
    7,092.96x = 10,631.08 × 2,930.96
  4. Step 4: Simplify right side
    7,092.96x = 31,159,270.24
  5. Step 5: Solve for x
    x = 31,159,270.24/7,092.96
  6. Step 6: Final answer
    x = 4,392.99

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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.