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Finding the Fourth Proportional to 5,875.76, 8,108.72 and 3,358.24

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Solution

The fourth proportional to 5,875.76, 8,108.72 and 3,358.24 is: 4,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.76 : 8,108.72 = 3,358.24 : x
  2. Step 2: Convert to fraction form
    5,875.76/8,108.72 = 3,358.24/x
  3. Step 3: Cross multiply
    5,875.76x = 8,108.72 × 3,358.24
  4. Step 4: Simplify right side
    5,875.76x = 27,231,027.85
  5. Step 5: Solve for x
    x = 27,231,027.85/5,875.76
  6. Step 6: Final answer
    x = 4,634.47

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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.