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Finding the Fourth Proportional to 1,068.04, 1,473.36 and 694.96

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Solution

The fourth proportional to 1,068.04, 1,473.36 and 694.96 is: 958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.04 : 1,473.36 = 694.96 : x
  2. Step 2: Convert to fraction form
    1,068.04/1,473.36 = 694.96/x
  3. Step 3: Cross multiply
    1,068.04x = 1,473.36 × 694.96
  4. Step 4: Simplify right side
    1,068.04x = 1,023,926.27
  5. Step 5: Solve for x
    x = 1,023,926.27/1,068.04
  6. Step 6: Final answer
    x = 958.70

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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.