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Finding the Fourth Proportional to 4,972.72, 7,458.60 and 2,506.56

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Solution

The fourth proportional to 4,972.72, 7,458.60 and 2,506.56 is: 3,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.72 : 7,458.60 = 2,506.56 : x
  2. Step 2: Convert to fraction form
    4,972.72/7,458.60 = 2,506.56/x
  3. Step 3: Cross multiply
    4,972.72x = 7,458.60 × 2,506.56
  4. Step 4: Simplify right side
    4,972.72x = 18,695,428.42
  5. Step 5: Solve for x
    x = 18,695,428.42/4,972.72
  6. Step 6: Final answer
    x = 3,759.60

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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.