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Finding the Fourth Proportional to 6,173.72, 9,262.86 and 2,887.88

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Solution

The fourth proportional to 6,173.72, 9,262.86 and 2,887.88 is: 4,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.72 : 9,262.86 = 2,887.88 : x
  2. Step 2: Convert to fraction form
    6,173.72/9,262.86 = 2,887.88/x
  3. Step 3: Cross multiply
    6,173.72x = 9,262.86 × 2,887.88
  4. Step 4: Simplify right side
    6,173.72x = 26,750,028.14
  5. Step 5: Solve for x
    x = 26,750,028.14/6,173.72
  6. Step 6: Final answer
    x = 4,332.89

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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.