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Finding the Fourth Proportional to 5,263.84, 7,264.11 and 2,905.99

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Solution

The fourth proportional to 5,263.84, 7,264.11 and 2,905.99 is: 4,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.84 : 7,264.11 = 2,905.99 : x
  2. Step 2: Convert to fraction form
    5,263.84/7,264.11 = 2,905.99/x
  3. Step 3: Cross multiply
    5,263.84x = 7,264.11 × 2,905.99
  4. Step 4: Simplify right side
    5,263.84x = 21,109,431.02
  5. Step 5: Solve for x
    x = 21,109,431.02/5,263.84
  6. Step 6: Final answer
    x = 4,010.27

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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.