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Finding the Fourth Proportional to 5,018.32, 6,923.56 and 2,923.12

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Solution

The fourth proportional to 5,018.32, 6,923.56 and 2,923.12 is: 4,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.32 : 6,923.56 = 2,923.12 : x
  2. Step 2: Convert to fraction form
    5,018.32/6,923.56 = 2,923.12/x
  3. Step 3: Cross multiply
    5,018.32x = 6,923.56 × 2,923.12
  4. Step 4: Simplify right side
    5,018.32x = 20,238,396.71
  5. Step 5: Solve for x
    x = 20,238,396.71/5,018.32
  6. Step 6: Final answer
    x = 4,032.90

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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.