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Finding the Fourth Proportional to 7,180.40, 10,753.40 and 4,249.84

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Solution

The fourth proportional to 7,180.40, 10,753.40 and 4,249.84 is: 6,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.40 : 10,753.40 = 4,249.84 : x
  2. Step 2: Convert to fraction form
    7,180.40/10,753.40 = 4,249.84/x
  3. Step 3: Cross multiply
    7,180.40x = 10,753.40 × 4,249.84
  4. Step 4: Simplify right side
    7,180.40x = 45,700,229.46
  5. Step 5: Solve for x
    x = 45,700,229.46/7,180.40
  6. Step 6: Final answer
    x = 6,364.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.