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Finding the Fourth Proportional to 2,997.01, 4,495.53 and 917.01

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Solution

The fourth proportional to 2,997.01, 4,495.53 and 917.01 is: 1,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.01 : 4,495.53 = 917.01 : x
  2. Step 2: Convert to fraction form
    2,997.01/4,495.53 = 917.01/x
  3. Step 3: Cross multiply
    2,997.01x = 4,495.53 × 917.01
  4. Step 4: Simplify right side
    2,997.01x = 4,122,445.97
  5. Step 5: Solve for x
    x = 4,122,445.97/2,997.01
  6. Step 6: Final answer
    x = 1,375.52

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Similar ratio
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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.