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Finding the Fourth Proportional to 5,877.16, 8,812.98 and 2,756.12

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Solution

The fourth proportional to 5,877.16, 8,812.98 and 2,756.12 is: 4,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.16 : 8,812.98 = 2,756.12 : x
  2. Step 2: Convert to fraction form
    5,877.16/8,812.98 = 2,756.12/x
  3. Step 3: Cross multiply
    5,877.16x = 8,812.98 × 2,756.12
  4. Step 4: Simplify right side
    5,877.16x = 24,289,630.44
  5. Step 5: Solve for x
    x = 24,289,630.44/5,877.16
  6. Step 6: Final answer
    x = 4,132.89

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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.