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Finding the Fourth Proportional to 6,641.01, 9,164.39 and 3,656.84

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Solution

The fourth proportional to 6,641.01, 9,164.39 and 3,656.84 is: 5,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.01 : 9,164.39 = 3,656.84 : x
  2. Step 2: Convert to fraction form
    6,641.01/9,164.39 = 3,656.84/x
  3. Step 3: Cross multiply
    6,641.01x = 9,164.39 × 3,656.84
  4. Step 4: Simplify right side
    6,641.01x = 33,512,643.82
  5. Step 5: Solve for x
    x = 33,512,643.82/6,641.01
  6. Step 6: Final answer
    x = 5,046.32

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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.