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Finding the Fourth Proportional to 4,885.84, 7,328.22 and 3,512.08

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Solution

The fourth proportional to 4,885.84, 7,328.22 and 3,512.08 is: 5,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.84 : 7,328.22 = 3,512.08 : x
  2. Step 2: Convert to fraction form
    4,885.84/7,328.22 = 3,512.08/x
  3. Step 3: Cross multiply
    4,885.84x = 7,328.22 × 3,512.08
  4. Step 4: Simplify right side
    4,885.84x = 25,737,294.90
  5. Step 5: Solve for x
    x = 25,737,294.90/4,885.84
  6. Step 6: Final answer
    x = 5,267.73

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1.5x scale

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.