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Finding the Fourth Proportional to 7,032.37, 9,704.87 and 3,888.67

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Solution

The fourth proportional to 7,032.37, 9,704.87 and 3,888.67 is: 5,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.37 : 9,704.87 = 3,888.67 : x
  2. Step 2: Convert to fraction form
    7,032.37/9,704.87 = 3,888.67/x
  3. Step 3: Cross multiply
    7,032.37x = 9,704.87 × 3,888.67
  4. Step 4: Simplify right side
    7,032.37x = 37,739,036.82
  5. Step 5: Solve for x
    x = 37,739,036.82/7,032.37
  6. Step 6: Final answer
    x = 5,366.47

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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.