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Finding the Fourth Proportional to 7,234.26, 9,981.54 and 4,995.42

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Solution

The fourth proportional to 7,234.26, 9,981.54 and 4,995.42 is: 6,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.26 : 9,981.54 = 4,995.42 : x
  2. Step 2: Convert to fraction form
    7,234.26/9,981.54 = 4,995.42/x
  3. Step 3: Cross multiply
    7,234.26x = 9,981.54 × 4,995.42
  4. Step 4: Simplify right side
    7,234.26x = 49,861,984.55
  5. Step 5: Solve for x
    x = 49,861,984.55/7,234.26
  6. Step 6: Final answer
    x = 6,892.48

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Double scale
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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.