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Finding the Fourth Proportional to 7,462.88, 10,298.88 and 4,150.88

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Solution

The fourth proportional to 7,462.88, 10,298.88 and 4,150.88 is: 5,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.88 : 10,298.88 = 4,150.88 : x
  2. Step 2: Convert to fraction form
    7,462.88/10,298.88 = 4,150.88/x
  3. Step 3: Cross multiply
    7,462.88x = 10,298.88 × 4,150.88
  4. Step 4: Simplify right side
    7,462.88x = 42,749,415.01
  5. Step 5: Solve for x
    x = 42,749,415.01/7,462.88
  6. Step 6: Final answer
    x = 5,728.27

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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.