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Finding the Fourth Proportional to 3,660.04, 5,491.08 and 1,470.30

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Solution

The fourth proportional to 3,660.04, 5,491.08 and 1,470.30 is: 2,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.04 : 5,491.08 = 1,470.30 : x
  2. Step 2: Convert to fraction form
    3,660.04/5,491.08 = 1,470.30/x
  3. Step 3: Cross multiply
    3,660.04x = 5,491.08 × 1,470.30
  4. Step 4: Simplify right side
    3,660.04x = 8,073,534.92
  5. Step 5: Solve for x
    x = 8,073,534.92/3,660.04
  6. Step 6: Final answer
    x = 2,205.86

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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.