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Finding the Fourth Proportional to 5,168.67, 7,787.43 and 4,675.62

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Solution

The fourth proportional to 5,168.67, 7,787.43 and 4,675.62 is: 7,044.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.67 : 7,787.43 = 4,675.62 : x
  2. Step 2: Convert to fraction form
    5,168.67/7,787.43 = 4,675.62/x
  3. Step 3: Cross multiply
    5,168.67x = 7,787.43 × 4,675.62
  4. Step 4: Simplify right side
    5,168.67x = 36,411,063.46
  5. Step 5: Solve for x
    x = 36,411,063.46/5,168.67
  6. Step 6: Final answer
    x = 7,044.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.