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Finding the Fourth Proportional to 4,997.84, 7,496.78 and 1,535

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Solution

The fourth proportional to 4,997.84, 7,496.78 and 1,535 is: 2,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.84 : 7,496.78 = 1,535 : x
  2. Step 2: Convert to fraction form
    4,997.84/7,496.78 = 1,535/x
  3. Step 3: Cross multiply
    4,997.84x = 7,496.78 × 1,535
  4. Step 4: Simplify right side
    4,997.84x = 11,507,557.30
  5. Step 5: Solve for x
    x = 11,507,557.30/4,997.84
  6. Step 6: Final answer
    x = 2,302.51

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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.