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Finding the Fourth Proportional to 8,567.02, 12,845.13 and 4,812.85

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Solution

The fourth proportional to 8,567.02, 12,845.13 and 4,812.85 is: 7,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.02 : 12,845.13 = 4,812.85 : x
  2. Step 2: Convert to fraction form
    8,567.02/12,845.13 = 4,812.85/x
  3. Step 3: Cross multiply
    8,567.02x = 12,845.13 × 4,812.85
  4. Step 4: Simplify right side
    8,567.02x = 61,821,683.92
  5. Step 5: Solve for x
    x = 61,821,683.92/8,567.02
  6. Step 6: Final answer
    x = 7,216.24

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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.