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Finding the Fourth Proportional to 7,162.57, 10,703.12 and 5,371.93

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Solution

The fourth proportional to 7,162.57, 10,703.12 and 5,371.93 is: 8,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.57 : 10,703.12 = 5,371.93 : x
  2. Step 2: Convert to fraction form
    7,162.57/10,703.12 = 5,371.93/x
  3. Step 3: Cross multiply
    7,162.57x = 10,703.12 × 5,371.93
  4. Step 4: Simplify right side
    7,162.57x = 57,496,411.42
  5. Step 5: Solve for x
    x = 57,496,411.42/7,162.57
  6. Step 6: Final answer
    x = 8,027.34

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.