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Finding the Fourth Proportional to 1,796.79, 2,479.98 and 1,051.09

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Solution

The fourth proportional to 1,796.79, 2,479.98 and 1,051.09 is: 1,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.79 : 2,479.98 = 1,051.09 : x
  2. Step 2: Convert to fraction form
    1,796.79/2,479.98 = 1,051.09/x
  3. Step 3: Cross multiply
    1,796.79x = 2,479.98 × 1,051.09
  4. Step 4: Simplify right side
    1,796.79x = 2,606,682.18
  5. Step 5: Solve for x
    x = 2,606,682.18/1,796.79
  6. Step 6: Final answer
    x = 1,450.74

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1.5x scale

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.