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Finding the Fourth Proportional to 7,405.52, 10,219.37 and 4,048.35

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Solution

The fourth proportional to 7,405.52, 10,219.37 and 4,048.35 is: 5,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.52 : 10,219.37 = 4,048.35 : x
  2. Step 2: Convert to fraction form
    7,405.52/10,219.37 = 4,048.35/x
  3. Step 3: Cross multiply
    7,405.52x = 10,219.37 × 4,048.35
  4. Step 4: Simplify right side
    7,405.52x = 41,371,566.30
  5. Step 5: Solve for x
    x = 41,371,566.30/7,405.52
  6. Step 6: Final answer
    x = 5,586.59

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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.