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Finding the Fourth Proportional to 7,491.92, 10,336.56 and 4,347.92

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Solution

The fourth proportional to 7,491.92, 10,336.56 and 4,347.92 is: 5,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.92 : 10,336.56 = 4,347.92 : x
  2. Step 2: Convert to fraction form
    7,491.92/10,336.56 = 4,347.92/x
  3. Step 3: Cross multiply
    7,491.92x = 10,336.56 × 4,347.92
  4. Step 4: Simplify right side
    7,491.92x = 44,942,535.96
  5. Step 5: Solve for x
    x = 44,942,535.96/7,491.92
  6. Step 6: Final answer
    x = 5,998.80

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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.