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Finding the Fourth Proportional to 8,092.53, 12,143.66 and 2,898.81

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Solution

The fourth proportional to 8,092.53, 12,143.66 and 2,898.81 is: 4,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.53 : 12,143.66 = 2,898.81 : x
  2. Step 2: Convert to fraction form
    8,092.53/12,143.66 = 2,898.81/x
  3. Step 3: Cross multiply
    8,092.53x = 12,143.66 × 2,898.81
  4. Step 4: Simplify right side
    8,092.53x = 35,202,148.55
  5. Step 5: Solve for x
    x = 35,202,148.55/8,092.53
  6. Step 6: Final answer
    x = 4,349.96

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1.5x scale

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.