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Finding the Fourth Proportional to 2,992.89, 4,487.17 and 1,530.93

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Solution

The fourth proportional to 2,992.89, 4,487.17 and 1,530.93 is: 2,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.89 : 4,487.17 = 1,530.93 : x
  2. Step 2: Convert to fraction form
    2,992.89/4,487.17 = 1,530.93/x
  3. Step 3: Cross multiply
    2,992.89x = 4,487.17 × 1,530.93
  4. Step 4: Simplify right side
    2,992.89x = 6,869,543.17
  5. Step 5: Solve for x
    x = 6,869,543.17/2,992.89
  6. Step 6: Final answer
    x = 2,295.29

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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.