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Finding the Fourth Proportional to 4,787.08, 7,175.30 and 2,012.94

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Solution

The fourth proportional to 4,787.08, 7,175.30 and 2,012.94 is: 3,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.08 : 7,175.30 = 2,012.94 : x
  2. Step 2: Convert to fraction form
    4,787.08/7,175.30 = 2,012.94/x
  3. Step 3: Cross multiply
    4,787.08x = 7,175.30 × 2,012.94
  4. Step 4: Simplify right side
    4,787.08x = 14,443,448.38
  5. Step 5: Solve for x
    x = 14,443,448.38/4,787.08
  6. Step 6: Final answer
    x = 3,017.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.