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Finding the Fourth Proportional to 7,612.71, 10,504.26 and 4,255.41

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Solution

The fourth proportional to 7,612.71, 10,504.26 and 4,255.41 is: 5,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.71 : 10,504.26 = 4,255.41 : x
  2. Step 2: Convert to fraction form
    7,612.71/10,504.26 = 4,255.41/x
  3. Step 3: Cross multiply
    7,612.71x = 10,504.26 × 4,255.41
  4. Step 4: Simplify right side
    7,612.71x = 44,699,933.05
  5. Step 5: Solve for x
    x = 44,699,933.05/7,612.71
  6. Step 6: Final answer
    x = 5,871.75

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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.