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Finding the Fourth Proportional to 2,068.99, 2,855.17 and 1,184.63

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Solution

The fourth proportional to 2,068.99, 2,855.17 and 1,184.63 is: 1,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.99 : 2,855.17 = 1,184.63 : x
  2. Step 2: Convert to fraction form
    2,068.99/2,855.17 = 1,184.63/x
  3. Step 3: Cross multiply
    2,068.99x = 2,855.17 × 1,184.63
  4. Step 4: Simplify right side
    2,068.99x = 3,382,310.57
  5. Step 5: Solve for x
    x = 3,382,310.57/2,068.99
  6. Step 6: Final answer
    x = 1,634.76

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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.