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Finding the Fourth Proportional to 3,668.87, 5,503.24 and 895.55

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Solution

The fourth proportional to 3,668.87, 5,503.24 and 895.55 is: 1,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.87 : 5,503.24 = 895.55 : x
  2. Step 2: Convert to fraction form
    3,668.87/5,503.24 = 895.55/x
  3. Step 3: Cross multiply
    3,668.87x = 5,503.24 × 895.55
  4. Step 4: Simplify right side
    3,668.87x = 4,928,426.58
  5. Step 5: Solve for x
    x = 4,928,426.58/3,668.87
  6. Step 6: Final answer
    x = 1,343.31

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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.