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Finding the Fourth Proportional to 5,862.72, 8,777.34 and 5,403.36

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Solution

The fourth proportional to 5,862.72, 8,777.34 and 5,403.36 is: 8,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.72 : 8,777.34 = 5,403.36 : x
  2. Step 2: Convert to fraction form
    5,862.72/8,777.34 = 5,403.36/x
  3. Step 3: Cross multiply
    5,862.72x = 8,777.34 × 5,403.36
  4. Step 4: Simplify right side
    5,862.72x = 47,427,127.86
  5. Step 5: Solve for x
    x = 47,427,127.86/5,862.72
  6. Step 6: Final answer
    x = 8,089.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.