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Finding the Fourth Proportional to 7,235.30, 9,983.84 and 4,250.46

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Solution

The fourth proportional to 7,235.30, 9,983.84 and 4,250.46 is: 5,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.30 : 9,983.84 = 4,250.46 : x
  2. Step 2: Convert to fraction form
    7,235.30/9,983.84 = 4,250.46/x
  3. Step 3: Cross multiply
    7,235.30x = 9,983.84 × 4,250.46
  4. Step 4: Simplify right side
    7,235.30x = 42,435,912.57
  5. Step 5: Solve for x
    x = 42,435,912.57/7,235.30
  6. Step 6: Final answer
    x = 5,865.12

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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.