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Finding the Fourth Proportional to 5,811.09, 8,702.28 and 3,040.09

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Solution

The fourth proportional to 5,811.09, 8,702.28 and 3,040.09 is: 4,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.09 : 8,702.28 = 3,040.09 : x
  2. Step 2: Convert to fraction form
    5,811.09/8,702.28 = 3,040.09/x
  3. Step 3: Cross multiply
    5,811.09x = 8,702.28 × 3,040.09
  4. Step 4: Simplify right side
    5,811.09x = 26,455,699.20
  5. Step 5: Solve for x
    x = 26,455,699.20/5,811.09
  6. Step 6: Final answer
    x = 4,552.63

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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.