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Finding the Fourth Proportional to 4,653.51, 6,979.98 and 1,366.80

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Solution

The fourth proportional to 4,653.51, 6,979.98 and 1,366.80 is: 2,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.51 : 6,979.98 = 1,366.80 : x
  2. Step 2: Convert to fraction form
    4,653.51/6,979.98 = 1,366.80/x
  3. Step 3: Cross multiply
    4,653.51x = 6,979.98 × 1,366.80
  4. Step 4: Simplify right side
    4,653.51x = 9,540,236.66
  5. Step 5: Solve for x
    x = 9,540,236.66/4,653.51
  6. Step 6: Final answer
    x = 2,050.12

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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.