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Finding the Fourth Proportional to 7,356.63, 10,145.27 and 5,675.39

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Solution

The fourth proportional to 7,356.63, 10,145.27 and 5,675.39 is: 7,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.63 : 10,145.27 = 5,675.39 : x
  2. Step 2: Convert to fraction form
    7,356.63/10,145.27 = 5,675.39/x
  3. Step 3: Cross multiply
    7,356.63x = 10,145.27 × 5,675.39
  4. Step 4: Simplify right side
    7,356.63x = 57,578,327.37
  5. Step 5: Solve for x
    x = 57,578,327.37/7,356.63
  6. Step 6: Final answer
    x = 7,826.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.