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Finding the Fourth Proportional to 6,160.52, 8,503.26 and 3,921.32

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Solution

The fourth proportional to 6,160.52, 8,503.26 and 3,921.32 is: 5,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,160.52 : 8,503.26 = 3,921.32 : x
  2. Step 2: Convert to fraction form
    6,160.52/8,503.26 = 3,921.32/x
  3. Step 3: Cross multiply
    6,160.52x = 8,503.26 × 3,921.32
  4. Step 4: Simplify right side
    6,160.52x = 33,344,003.50
  5. Step 5: Solve for x
    x = 33,344,003.50/6,160.52
  6. Step 6: Final answer
    x = 5,412.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.