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Finding the Fourth Proportional to 35,607.99, 49,138.61 and 19,692.10

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Solution

The fourth proportional to 35,607.99, 49,138.61 and 19,692.10 is: 27,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.99 : 49,138.61 = 19,692.10 : x
  2. Step 2: Convert to fraction form
    35,607.99/49,138.61 = 19,692.10/x
  3. Step 3: Cross multiply
    35,607.99x = 49,138.61 × 19,692.10
  4. Step 4: Simplify right side
    35,607.99x = 967,642,421.98
  5. Step 5: Solve for x
    x = 967,642,421.98/35,607.99
  6. Step 6: Final answer
    x = 27,174.87

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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.