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Finding the Fourth Proportional to 5,309.86, 7,965.51 and 1,846.66

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Solution

The fourth proportional to 5,309.86, 7,965.51 and 1,846.66 is: 2,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.86 : 7,965.51 = 1,846.66 : x
  2. Step 2: Convert to fraction form
    5,309.86/7,965.51 = 1,846.66/x
  3. Step 3: Cross multiply
    5,309.86x = 7,965.51 × 1,846.66
  4. Step 4: Simplify right side
    5,309.86x = 14,709,588.70
  5. Step 5: Solve for x
    x = 14,709,588.70/5,309.86
  6. Step 6: Final answer
    x = 2,770.24

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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.