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Finding the Fourth Proportional to 7,953.70, 10,976.24 and 4,416.96

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Solution

The fourth proportional to 7,953.70, 10,976.24 and 4,416.96 is: 6,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.70 : 10,976.24 = 4,416.96 : x
  2. Step 2: Convert to fraction form
    7,953.70/10,976.24 = 4,416.96/x
  3. Step 3: Cross multiply
    7,953.70x = 10,976.24 × 4,416.96
  4. Step 4: Simplify right side
    7,953.70x = 48,481,613.03
  5. Step 5: Solve for x
    x = 48,481,613.03/7,953.70
  6. Step 6: Final answer
    x = 6,095.48

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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.