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Finding the Fourth Proportional to 4,803.86, 7,205.80 and 3,709.82

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Solution

The fourth proportional to 4,803.86, 7,205.80 and 3,709.82 is: 5,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.86 : 7,205.80 = 3,709.82 : x
  2. Step 2: Convert to fraction form
    4,803.86/7,205.80 = 3,709.82/x
  3. Step 3: Cross multiply
    4,803.86x = 7,205.80 × 3,709.82
  4. Step 4: Simplify right side
    4,803.86x = 26,732,220.96
  5. Step 5: Solve for x
    x = 26,732,220.96/4,803.86
  6. Step 6: Final answer
    x = 5,564.74

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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.