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Finding the Fourth Proportional to 1,063.16, 1,593.50 and 692.45

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Solution

The fourth proportional to 1,063.16, 1,593.50 and 692.45 is: 1,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.16 : 1,593.50 = 692.45 : x
  2. Step 2: Convert to fraction form
    1,063.16/1,593.50 = 692.45/x
  3. Step 3: Cross multiply
    1,063.16x = 1,593.50 × 692.45
  4. Step 4: Simplify right side
    1,063.16x = 1,103,407.65
  5. Step 5: Solve for x
    x = 1,103,407.65/1,063.16
  6. Step 6: Final answer
    x = 1,037.86

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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.