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Finding the Fourth Proportional to 5,406.73, 7,461.27 and 3,168.51

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Solution

The fourth proportional to 5,406.73, 7,461.27 and 3,168.51 is: 4,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.73 : 7,461.27 = 3,168.51 : x
  2. Step 2: Convert to fraction form
    5,406.73/7,461.27 = 3,168.51/x
  3. Step 3: Cross multiply
    5,406.73x = 7,461.27 × 3,168.51
  4. Step 4: Simplify right side
    5,406.73x = 23,641,108.61
  5. Step 5: Solve for x
    x = 23,641,108.61/5,406.73
  6. Step 6: Final answer
    x = 4,372.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.