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Finding the Fourth Proportional to 4,997.58, 7,493.88 and 2,918.07

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Solution

The fourth proportional to 4,997.58, 7,493.88 and 2,918.07 is: 4,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.58 : 7,493.88 = 2,918.07 : x
  2. Step 2: Convert to fraction form
    4,997.58/7,493.88 = 2,918.07/x
  3. Step 3: Cross multiply
    4,997.58x = 7,493.88 × 2,918.07
  4. Step 4: Simplify right side
    4,997.58x = 21,867,666.41
  5. Step 5: Solve for x
    x = 21,867,666.41/4,997.58
  6. Step 6: Final answer
    x = 4,375.65

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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.