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Finding the Fourth Proportional to 6,235.60, 9,354.70 and 2,076.90

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Solution

The fourth proportional to 6,235.60, 9,354.70 and 2,076.90 is: 3,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.60 : 9,354.70 = 2,076.90 : x
  2. Step 2: Convert to fraction form
    6,235.60/9,354.70 = 2,076.90/x
  3. Step 3: Cross multiply
    6,235.60x = 9,354.70 × 2,076.90
  4. Step 4: Simplify right side
    6,235.60x = 19,428,776.43
  5. Step 5: Solve for x
    x = 19,428,776.43/6,235.60
  6. Step 6: Final answer
    x = 3,115.78

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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.