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Finding the Fourth Proportional to 7,500.81, 10,350.49 and 4,313.94

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Solution

The fourth proportional to 7,500.81, 10,350.49 and 4,313.94 is: 5,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.81 : 10,350.49 = 4,313.94 : x
  2. Step 2: Convert to fraction form
    7,500.81/10,350.49 = 4,313.94/x
  3. Step 3: Cross multiply
    7,500.81x = 10,350.49 × 4,313.94
  4. Step 4: Simplify right side
    7,500.81x = 44,651,392.83
  5. Step 5: Solve for x
    x = 44,651,392.83/7,500.81
  6. Step 6: Final answer
    x = 5,952.88

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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.