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Finding the Fourth Proportional to 4,737.78, 7,107.87 and 1,450.89

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Solution

The fourth proportional to 4,737.78, 7,107.87 and 1,450.89 is: 2,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.78 : 7,107.87 = 1,450.89 : x
  2. Step 2: Convert to fraction form
    4,737.78/7,107.87 = 1,450.89/x
  3. Step 3: Cross multiply
    4,737.78x = 7,107.87 × 1,450.89
  4. Step 4: Simplify right side
    4,737.78x = 10,312,737.50
  5. Step 5: Solve for x
    x = 10,312,737.50/4,737.78
  6. Step 6: Final answer
    x = 2,176.70

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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.