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Finding the Fourth Proportional to 7,471.71, 10,310.36 and 4,284.99

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Solution

The fourth proportional to 7,471.71, 10,310.36 and 4,284.99 is: 5,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.71 : 10,310.36 = 4,284.99 : x
  2. Step 2: Convert to fraction form
    7,471.71/10,310.36 = 4,284.99/x
  3. Step 3: Cross multiply
    7,471.71x = 10,310.36 × 4,284.99
  4. Step 4: Simplify right side
    7,471.71x = 44,179,768.07
  5. Step 5: Solve for x
    x = 44,179,768.07/7,471.71
  6. Step 6: Final answer
    x = 5,912.94

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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.