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Finding the Fourth Proportional to 32,860.52, 49,290.79 and 7,900.57

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Solution

The fourth proportional to 32,860.52, 49,290.79 and 7,900.57 is: 11,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.52 : 49,290.79 = 7,900.57 : x
  2. Step 2: Convert to fraction form
    32,860.52/49,290.79 = 7,900.57/x
  3. Step 3: Cross multiply
    32,860.52x = 49,290.79 × 7,900.57
  4. Step 4: Simplify right side
    32,860.52x = 389,425,464.26
  5. Step 5: Solve for x
    x = 389,425,464.26/32,860.52
  6. Step 6: Final answer
    x = 11,850.86

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Similar ratio
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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.