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Finding the Fourth Proportional to 7,471.70, 10,310.52 and 4,284.32

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Solution

The fourth proportional to 7,471.70, 10,310.52 and 4,284.32 is: 5,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.70 : 10,310.52 = 4,284.32 : x
  2. Step 2: Convert to fraction form
    7,471.70/10,310.52 = 4,284.32/x
  3. Step 3: Cross multiply
    7,471.70x = 10,310.52 × 4,284.32
  4. Step 4: Simplify right side
    7,471.70x = 44,173,567.05
  5. Step 5: Solve for x
    x = 44,173,567.05/7,471.70
  6. Step 6: Final answer
    x = 5,912.12

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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.