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Finding the Fourth Proportional to 1,692.99, 2,539.69 and 597.13

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Solution

The fourth proportional to 1,692.99, 2,539.69 and 597.13 is: 895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.99 : 2,539.69 = 597.13 : x
  2. Step 2: Convert to fraction form
    1,692.99/2,539.69 = 597.13/x
  3. Step 3: Cross multiply
    1,692.99x = 2,539.69 × 597.13
  4. Step 4: Simplify right side
    1,692.99x = 1,516,517.25
  5. Step 5: Solve for x
    x = 1,516,517.25/1,692.99
  6. Step 6: Final answer
    x = 895.76

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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.