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Finding the Fourth Proportional to 3,660.50, 5,490.76 and 1,063.46

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Solution

The fourth proportional to 3,660.50, 5,490.76 and 1,063.46 is: 1,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.50 : 5,490.76 = 1,063.46 : x
  2. Step 2: Convert to fraction form
    3,660.50/5,490.76 = 1,063.46/x
  3. Step 3: Cross multiply
    3,660.50x = 5,490.76 × 1,063.46
  4. Step 4: Simplify right side
    3,660.50x = 5,839,203.63
  5. Step 5: Solve for x
    x = 5,839,203.63/3,660.50
  6. Step 6: Final answer
    x = 1,595.19

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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.