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Finding the Fourth Proportional to 6,560.89, 9,053.69 and 3,727.89

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Solution

The fourth proportional to 6,560.89, 9,053.69 and 3,727.89 is: 5,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.89 : 9,053.69 = 3,727.89 : x
  2. Step 2: Convert to fraction form
    6,560.89/9,053.69 = 3,727.89/x
  3. Step 3: Cross multiply
    6,560.89x = 9,053.69 × 3,727.89
  4. Step 4: Simplify right side
    6,560.89x = 33,751,160.41
  5. Step 5: Solve for x
    x = 33,751,160.41/6,560.89
  6. Step 6: Final answer
    x = 5,144.30

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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.