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Finding the Fourth Proportional to 4,805.16, 6,630.12 and 2,917.74

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Solution

The fourth proportional to 4,805.16, 6,630.12 and 2,917.74 is: 4,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.16 : 6,630.12 = 2,917.74 : x
  2. Step 2: Convert to fraction form
    4,805.16/6,630.12 = 2,917.74/x
  3. Step 3: Cross multiply
    4,805.16x = 6,630.12 × 2,917.74
  4. Step 4: Simplify right side
    4,805.16x = 19,344,966.33
  5. Step 5: Solve for x
    x = 19,344,966.33/4,805.16
  6. Step 6: Final answer
    x = 4,025.87

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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.