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Finding the Fourth Proportional to 3,684.52, 5,526.78 and 1,491.74

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Solution

The fourth proportional to 3,684.52, 5,526.78 and 1,491.74 is: 2,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.52 : 5,526.78 = 1,491.74 : x
  2. Step 2: Convert to fraction form
    3,684.52/5,526.78 = 1,491.74/x
  3. Step 3: Cross multiply
    3,684.52x = 5,526.78 × 1,491.74
  4. Step 4: Simplify right side
    3,684.52x = 8,244,518.80
  5. Step 5: Solve for x
    x = 8,244,518.80/3,684.52
  6. Step 6: Final answer
    x = 2,237.61

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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.