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Finding the Fourth Proportional to 7,045.34, 9,722.87 and 3,901.52

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Solution

The fourth proportional to 7,045.34, 9,722.87 and 3,901.52 is: 5,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.34 : 9,722.87 = 3,901.52 : x
  2. Step 2: Convert to fraction form
    7,045.34/9,722.87 = 3,901.52/x
  3. Step 3: Cross multiply
    7,045.34x = 9,722.87 × 3,901.52
  4. Step 4: Simplify right side
    7,045.34x = 37,933,976.56
  5. Step 5: Solve for x
    x = 37,933,976.56/7,045.34
  6. Step 6: Final answer
    x = 5,384.27

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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.