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Finding the Fourth Proportional to 3,775.53, 5,660.07 and 1,434.24

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Solution

The fourth proportional to 3,775.53, 5,660.07 and 1,434.24 is: 2,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.53 : 5,660.07 = 1,434.24 : x
  2. Step 2: Convert to fraction form
    3,775.53/5,660.07 = 1,434.24/x
  3. Step 3: Cross multiply
    3,775.53x = 5,660.07 × 1,434.24
  4. Step 4: Simplify right side
    3,775.53x = 8,117,898.80
  5. Step 5: Solve for x
    x = 8,117,898.80/3,775.53
  6. Step 6: Final answer
    x = 2,150.13

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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.