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Finding the Fourth Proportional to 6,632.47, 9,152.79 and 3,648.34

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Solution

The fourth proportional to 6,632.47, 9,152.79 and 3,648.34 is: 5,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.47 : 9,152.79 = 3,648.34 : x
  2. Step 2: Convert to fraction form
    6,632.47/9,152.79 = 3,648.34/x
  3. Step 3: Cross multiply
    6,632.47x = 9,152.79 × 3,648.34
  4. Step 4: Simplify right side
    6,632.47x = 33,392,489.87
  5. Step 5: Solve for x
    x = 33,392,489.87/6,632.47
  6. Step 6: Final answer
    x = 5,034.70

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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.