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Finding the Fourth Proportional to 1,063, 1,595.34 and 697

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Solution

The fourth proportional to 1,063, 1,595.34 and 697 is: 1,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063 : 1,595.34 = 697 : x
  2. Step 2: Convert to fraction form
    1,063/1,595.34 = 697/x
  3. Step 3: Cross multiply
    1,063x = 1,595.34 × 697
  4. Step 4: Simplify right side
    1,063x = 1,111,951.98
  5. Step 5: Solve for x
    x = 1,111,951.98/1,063
  6. Step 6: Final answer
    x = 1,046.05

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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.