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Finding the Fourth Proportional to 5,992.98, 8,989.08 and 2,875.20

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Solution

The fourth proportional to 5,992.98, 8,989.08 and 2,875.20 is: 4,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.98 : 8,989.08 = 2,875.20 : x
  2. Step 2: Convert to fraction form
    5,992.98/8,989.08 = 2,875.20/x
  3. Step 3: Cross multiply
    5,992.98x = 8,989.08 × 2,875.20
  4. Step 4: Simplify right side
    5,992.98x = 25,845,402.82
  5. Step 5: Solve for x
    x = 25,845,402.82/5,992.98
  6. Step 6: Final answer
    x = 4,312.61

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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.