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Finding the Fourth Proportional to 3,249.04, 4,873.64 and 940.72

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Solution

The fourth proportional to 3,249.04, 4,873.64 and 940.72 is: 1,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.04 : 4,873.64 = 940.72 : x
  2. Step 2: Convert to fraction form
    3,249.04/4,873.64 = 940.72/x
  3. Step 3: Cross multiply
    3,249.04x = 4,873.64 × 940.72
  4. Step 4: Simplify right side
    3,249.04x = 4,584,730.62
  5. Step 5: Solve for x
    x = 4,584,730.62/3,249.04
  6. Step 6: Final answer
    x = 1,411.10

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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.