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Finding the Fourth Proportional to 3,330.87, 4,992.41 and 2,506.49

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Solution

The fourth proportional to 3,330.87, 4,992.41 and 2,506.49 is: 3,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.87 : 4,992.41 = 2,506.49 : x
  2. Step 2: Convert to fraction form
    3,330.87/4,992.41 = 2,506.49/x
  3. Step 3: Cross multiply
    3,330.87x = 4,992.41 × 2,506.49
  4. Step 4: Simplify right side
    3,330.87x = 12,513,425.74
  5. Step 5: Solve for x
    x = 12,513,425.74/3,330.87
  6. Step 6: Final answer
    x = 3,756.80

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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.