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Finding the Fourth Proportional to 2,461.36, 3,692.48 and 818.01

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Solution

The fourth proportional to 2,461.36, 3,692.48 and 818.01 is: 1,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.36 : 3,692.48 = 818.01 : x
  2. Step 2: Convert to fraction form
    2,461.36/3,692.48 = 818.01/x
  3. Step 3: Cross multiply
    2,461.36x = 3,692.48 × 818.01
  4. Step 4: Simplify right side
    2,461.36x = 3,020,485.56
  5. Step 5: Solve for x
    x = 3,020,485.56/2,461.36
  6. Step 6: Final answer
    x = 1,227.16

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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.