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Finding the Fourth Proportional to 3,266.63, 4,507.95 and 1,774.55

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Solution

The fourth proportional to 3,266.63, 4,507.95 and 1,774.55 is: 2,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.63 : 4,507.95 = 1,774.55 : x
  2. Step 2: Convert to fraction form
    3,266.63/4,507.95 = 1,774.55/x
  3. Step 3: Cross multiply
    3,266.63x = 4,507.95 × 1,774.55
  4. Step 4: Simplify right side
    3,266.63x = 7,999,582.67
  5. Step 5: Solve for x
    x = 7,999,582.67/3,266.63
  6. Step 6: Final answer
    x = 2,448.88

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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.