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Finding the Fourth Proportional to 7,449.37, 10,276.27 and 5,059.47

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Solution

The fourth proportional to 7,449.37, 10,276.27 and 5,059.47 is: 6,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.37 : 10,276.27 = 5,059.47 : x
  2. Step 2: Convert to fraction form
    7,449.37/10,276.27 = 5,059.47/x
  3. Step 3: Cross multiply
    7,449.37x = 10,276.27 × 5,059.47
  4. Step 4: Simplify right side
    7,449.37x = 51,992,479.78
  5. Step 5: Solve for x
    x = 51,992,479.78/7,449.37
  6. Step 6: Final answer
    x = 6,979.45

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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.