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Finding the Fourth Proportional to 7,651.35, 10,557.99 and 4,293.72

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Solution

The fourth proportional to 7,651.35, 10,557.99 and 4,293.72 is: 5,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.35 : 10,557.99 = 4,293.72 : x
  2. Step 2: Convert to fraction form
    7,651.35/10,557.99 = 4,293.72/x
  3. Step 3: Cross multiply
    7,651.35x = 10,557.99 × 4,293.72
  4. Step 4: Simplify right side
    7,651.35x = 45,333,052.82
  5. Step 5: Solve for x
    x = 45,333,052.82/7,651.35
  6. Step 6: Final answer
    x = 5,924.84

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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.