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Finding the Fourth Proportional to 6,135.55, 9,203.93 and 1,974.48

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Solution

The fourth proportional to 6,135.55, 9,203.93 and 1,974.48 is: 2,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.55 : 9,203.93 = 1,974.48 : x
  2. Step 2: Convert to fraction form
    6,135.55/9,203.93 = 1,974.48/x
  3. Step 3: Cross multiply
    6,135.55x = 9,203.93 × 1,974.48
  4. Step 4: Simplify right side
    6,135.55x = 18,172,938.72
  5. Step 5: Solve for x
    x = 18,172,938.72/6,135.55
  6. Step 6: Final answer
    x = 2,961.91

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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.