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Finding the Fourth Proportional to 5,877.76, 8,811.52 and 3,284.48

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Solution

The fourth proportional to 5,877.76, 8,811.52 and 3,284.48 is: 4,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.76 : 8,811.52 = 3,284.48 : x
  2. Step 2: Convert to fraction form
    5,877.76/8,811.52 = 3,284.48/x
  3. Step 3: Cross multiply
    5,877.76x = 8,811.52 × 3,284.48
  4. Step 4: Simplify right side
    5,877.76x = 28,941,261.21
  5. Step 5: Solve for x
    x = 28,941,261.21/5,877.76
  6. Step 6: Final answer
    x = 4,923.86

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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.