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Finding the Fourth Proportional to 5,262.94, 7,262.77 and 2,905.02

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Solution

The fourth proportional to 5,262.94, 7,262.77 and 2,905.02 is: 4,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.94 : 7,262.77 = 2,905.02 : x
  2. Step 2: Convert to fraction form
    5,262.94/7,262.77 = 2,905.02/x
  3. Step 3: Cross multiply
    5,262.94x = 7,262.77 × 2,905.02
  4. Step 4: Simplify right side
    5,262.94x = 21,098,492.11
  5. Step 5: Solve for x
    x = 21,098,492.11/5,262.94
  6. Step 6: Final answer
    x = 4,008.88

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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.