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Finding the Fourth Proportional to 4,309.86, 5,949.88 and 2,900.96

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Solution

The fourth proportional to 4,309.86, 5,949.88 and 2,900.96 is: 4,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.86 : 5,949.88 = 2,900.96 : x
  2. Step 2: Convert to fraction form
    4,309.86/5,949.88 = 2,900.96/x
  3. Step 3: Cross multiply
    4,309.86x = 5,949.88 × 2,900.96
  4. Step 4: Simplify right side
    4,309.86x = 17,260,326.88
  5. Step 5: Solve for x
    x = 17,260,326.88/4,309.86
  6. Step 6: Final answer
    x = 4,004.85

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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.