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Finding the Fourth Proportional to 4,968.93, 7,467.24 and 4,639.86

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Solution

The fourth proportional to 4,968.93, 7,467.24 and 4,639.86 is: 6,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,968.93 : 7,467.24 = 4,639.86 : x
  2. Step 2: Convert to fraction form
    4,968.93/7,467.24 = 4,639.86/x
  3. Step 3: Cross multiply
    4,968.93x = 7,467.24 × 4,639.86
  4. Step 4: Simplify right side
    4,968.93x = 34,646,918.49
  5. Step 5: Solve for x
    x = 34,646,918.49/4,968.93
  6. Step 6: Final answer
    x = 6,972.71

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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.