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Finding the Fourth Proportional to 5,709.98, 8,555.71 and 2,932.80

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Solution

The fourth proportional to 5,709.98, 8,555.71 and 2,932.80 is: 4,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.98 : 8,555.71 = 2,932.80 : x
  2. Step 2: Convert to fraction form
    5,709.98/8,555.71 = 2,932.80/x
  3. Step 3: Cross multiply
    5,709.98x = 8,555.71 × 2,932.80
  4. Step 4: Simplify right side
    5,709.98x = 25,092,186.29
  5. Step 5: Solve for x
    x = 25,092,186.29/5,709.98
  6. Step 6: Final answer
    x = 4,394.44

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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.