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Finding the Fourth Proportional to 6,889.92, 9,499.71 and 5,825.76

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Solution

The fourth proportional to 6,889.92, 9,499.71 and 5,825.76 is: 8,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.92 : 9,499.71 = 5,825.76 : x
  2. Step 2: Convert to fraction form
    6,889.92/9,499.71 = 5,825.76/x
  3. Step 3: Cross multiply
    6,889.92x = 9,499.71 × 5,825.76
  4. Step 4: Simplify right side
    6,889.92x = 55,343,030.53
  5. Step 5: Solve for x
    x = 55,343,030.53/6,889.92
  6. Step 6: Final answer
    x = 8,032.46

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