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Finding the Fourth Proportional to 5,541.99, 8,310.60 and 1,792.66

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Solution

The fourth proportional to 5,541.99, 8,310.60 and 1,792.66 is: 2,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.99 : 8,310.60 = 1,792.66 : x
  2. Step 2: Convert to fraction form
    5,541.99/8,310.60 = 1,792.66/x
  3. Step 3: Cross multiply
    5,541.99x = 8,310.60 × 1,792.66
  4. Step 4: Simplify right side
    5,541.99x = 14,898,051.63
  5. Step 5: Solve for x
    x = 14,898,051.63/5,541.99
  6. Step 6: Final answer
    x = 2,688.21

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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.