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Finding the Fourth Proportional to 4,976.28, 7,469.28 and 4,953.18

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Solution

The fourth proportional to 4,976.28, 7,469.28 and 4,953.18 is: 7,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.28 : 7,469.28 = 4,953.18 : x
  2. Step 2: Convert to fraction form
    4,976.28/7,469.28 = 4,953.18/x
  3. Step 3: Cross multiply
    4,976.28x = 7,469.28 × 4,953.18
  4. Step 4: Simplify right side
    4,976.28x = 36,996,688.31
  5. Step 5: Solve for x
    x = 36,996,688.31/4,976.28
  6. Step 6: Final answer
    x = 7,434.61

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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.