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Finding the Fourth Proportional to 1,068.66, 1,474.83 and 1,034.64

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Solution

The fourth proportional to 1,068.66, 1,474.83 and 1,034.64 is: 1,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.66 : 1,474.83 = 1,034.64 : x
  2. Step 2: Convert to fraction form
    1,068.66/1,474.83 = 1,034.64/x
  3. Step 3: Cross multiply
    1,068.66x = 1,474.83 × 1,034.64
  4. Step 4: Simplify right side
    1,068.66x = 1,525,918.11
  5. Step 5: Solve for x
    x = 1,525,918.11/1,068.66
  6. Step 6: Final answer
    x = 1,427.88

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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.