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Finding the Fourth Proportional to 3,650.70, 5,476.08 and 1,053.72

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Solution

The fourth proportional to 3,650.70, 5,476.08 and 1,053.72 is: 1,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.70 : 5,476.08 = 1,053.72 : x
  2. Step 2: Convert to fraction form
    3,650.70/5,476.08 = 1,053.72/x
  3. Step 3: Cross multiply
    3,650.70x = 5,476.08 × 1,053.72
  4. Step 4: Simplify right side
    3,650.70x = 5,770,255.02
  5. Step 5: Solve for x
    x = 5,770,255.02/3,650.70
  6. Step 6: Final answer
    x = 1,580.59

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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.