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Finding the Fourth Proportional to 1,063.68, 1,593.44 and 697.35

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Solution

The fourth proportional to 1,063.68, 1,593.44 and 697.35 is: 1,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.68 : 1,593.44 = 697.35 : x
  2. Step 2: Convert to fraction form
    1,063.68/1,593.44 = 697.35/x
  3. Step 3: Cross multiply
    1,063.68x = 1,593.44 × 697.35
  4. Step 4: Simplify right side
    1,063.68x = 1,111,181.90
  5. Step 5: Solve for x
    x = 1,111,181.90/1,063.68
  6. Step 6: Final answer
    x = 1,044.66

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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.