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Finding the Fourth Proportional to 7,591.21, 10,476.78 and 4,447.39

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Solution

The fourth proportional to 7,591.21, 10,476.78 and 4,447.39 is: 6,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.21 : 10,476.78 = 4,447.39 : x
  2. Step 2: Convert to fraction form
    7,591.21/10,476.78 = 4,447.39/x
  3. Step 3: Cross multiply
    7,591.21x = 10,476.78 × 4,447.39
  4. Step 4: Simplify right side
    7,591.21x = 46,594,304.37
  5. Step 5: Solve for x
    x = 46,594,304.37/7,591.21
  6. Step 6: Final answer
    x = 6,137.93

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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.