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Finding the Fourth Proportional to 3,000.99, 4,500.57 and 1,052.73

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Solution

The fourth proportional to 3,000.99, 4,500.57 and 1,052.73 is: 1,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.99 : 4,500.57 = 1,052.73 : x
  2. Step 2: Convert to fraction form
    3,000.99/4,500.57 = 1,052.73/x
  3. Step 3: Cross multiply
    3,000.99x = 4,500.57 × 1,052.73
  4. Step 4: Simplify right side
    3,000.99x = 4,737,885.06
  5. Step 5: Solve for x
    x = 4,737,885.06/3,000.99
  6. Step 6: Final answer
    x = 1,578.77

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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.