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Finding the Fourth Proportional to 9,232.32, 12,740.32 and 5,253.44

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Solution

The fourth proportional to 9,232.32, 12,740.32 and 5,253.44 is: 7,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,232.32 : 12,740.32 = 5,253.44 : x
  2. Step 2: Convert to fraction form
    9,232.32/12,740.32 = 5,253.44/x
  3. Step 3: Cross multiply
    9,232.32x = 12,740.32 × 5,253.44
  4. Step 4: Simplify right side
    9,232.32x = 66,930,506.70
  5. Step 5: Solve for x
    x = 66,930,506.70/9,232.32
  6. Step 6: Final answer
    x = 7,249.59

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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.