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Finding the Fourth Proportional to 5,932.20, 8,898.30 and 2,860.20

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Solution

The fourth proportional to 5,932.20, 8,898.30 and 2,860.20 is: 4,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.20 : 8,898.30 = 2,860.20 : x
  2. Step 2: Convert to fraction form
    5,932.20/8,898.30 = 2,860.20/x
  3. Step 3: Cross multiply
    5,932.20x = 8,898.30 × 2,860.20
  4. Step 4: Simplify right side
    5,932.20x = 25,450,917.66
  5. Step 5: Solve for x
    x = 25,450,917.66/5,932.20
  6. Step 6: Final answer
    x = 4,290.30

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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.