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Finding the Fourth Proportional to 3,265.46, 4,505.46 and 2,087.72

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Solution

The fourth proportional to 3,265.46, 4,505.46 and 2,087.72 is: 2,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.46 : 4,505.46 = 2,087.72 : x
  2. Step 2: Convert to fraction form
    3,265.46/4,505.46 = 2,087.72/x
  3. Step 3: Cross multiply
    3,265.46x = 4,505.46 × 2,087.72
  4. Step 4: Simplify right side
    3,265.46x = 9,406,138.95
  5. Step 5: Solve for x
    x = 9,406,138.95/3,265.46
  6. Step 6: Final answer
    x = 2,880.49

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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.