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Finding the Fourth Proportional to 3,573.62, 5,360.26 and 976.57

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Solution

The fourth proportional to 3,573.62, 5,360.26 and 976.57 is: 1,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.62 : 5,360.26 = 976.57 : x
  2. Step 2: Convert to fraction form
    3,573.62/5,360.26 = 976.57/x
  3. Step 3: Cross multiply
    3,573.62x = 5,360.26 × 976.57
  4. Step 4: Simplify right side
    3,573.62x = 5,234,669.11
  5. Step 5: Solve for x
    x = 5,234,669.11/3,573.62
  6. Step 6: Final answer
    x = 1,464.81

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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.