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Finding the Fourth Proportional to 6,887.58, 9,504.83 and 3,743.76

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Solution

The fourth proportional to 6,887.58, 9,504.83 and 3,743.76 is: 5,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.58 : 9,504.83 = 3,743.76 : x
  2. Step 2: Convert to fraction form
    6,887.58/9,504.83 = 3,743.76/x
  3. Step 3: Cross multiply
    6,887.58x = 9,504.83 × 3,743.76
  4. Step 4: Simplify right side
    6,887.58x = 35,583,783.64
  5. Step 5: Solve for x
    x = 35,583,783.64/6,887.58
  6. Step 6: Final answer
    x = 5,166.37

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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.