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Finding the Fourth Proportional to 1,776.55, 2,451.98 and 1,068.97

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Solution

The fourth proportional to 1,776.55, 2,451.98 and 1,068.97 is: 1,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.55 : 2,451.98 = 1,068.97 : x
  2. Step 2: Convert to fraction form
    1,776.55/2,451.98 = 1,068.97/x
  3. Step 3: Cross multiply
    1,776.55x = 2,451.98 × 1,068.97
  4. Step 4: Simplify right side
    1,776.55x = 2,621,093.06
  5. Step 5: Solve for x
    x = 2,621,093.06/1,776.55
  6. Step 6: Final answer
    x = 1,475.38

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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.