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Finding the Fourth Proportional to 3,265.84, 4,506.78 and 1,773.76

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Solution

The fourth proportional to 3,265.84, 4,506.78 and 1,773.76 is: 2,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.84 : 4,506.78 = 1,773.76 : x
  2. Step 2: Convert to fraction form
    3,265.84/4,506.78 = 1,773.76/x
  3. Step 3: Cross multiply
    3,265.84x = 4,506.78 × 1,773.76
  4. Step 4: Simplify right side
    3,265.84x = 7,993,946.09
  5. Step 5: Solve for x
    x = 7,993,946.09/3,265.84
  6. Step 6: Final answer
    x = 2,447.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.