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Finding the Fourth Proportional to 2,700.24, 4,051.26 and 969

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Solution

The fourth proportional to 2,700.24, 4,051.26 and 969 is: 1,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.24 : 4,051.26 = 969 : x
  2. Step 2: Convert to fraction form
    2,700.24/4,051.26 = 969/x
  3. Step 3: Cross multiply
    2,700.24x = 4,051.26 × 969
  4. Step 4: Simplify right side
    2,700.24x = 3,925,670.94
  5. Step 5: Solve for x
    x = 3,925,670.94/2,700.24
  6. Step 6: Final answer
    x = 1,453.82

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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.