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Finding the Fourth Proportional to 5,272.48, 7,276.08 and 2,914.48

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Solution

The fourth proportional to 5,272.48, 7,276.08 and 2,914.48 is: 4,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.48 : 7,276.08 = 2,914.48 : x
  2. Step 2: Convert to fraction form
    5,272.48/7,276.08 = 2,914.48/x
  3. Step 3: Cross multiply
    5,272.48x = 7,276.08 × 2,914.48
  4. Step 4: Simplify right side
    5,272.48x = 21,205,989.64
  5. Step 5: Solve for x
    x = 21,205,989.64/5,272.48
  6. Step 6: Final answer
    x = 4,022.01

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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.