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Finding the Fourth Proportional to 1,732.59, 2,597.29 and 692.40

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Solution

The fourth proportional to 1,732.59, 2,597.29 and 692.40 is: 1,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.59 : 2,597.29 = 692.40 : x
  2. Step 2: Convert to fraction form
    1,732.59/2,597.29 = 692.40/x
  3. Step 3: Cross multiply
    1,732.59x = 2,597.29 × 692.40
  4. Step 4: Simplify right side
    1,732.59x = 1,798,358.94
  5. Step 5: Solve for x
    x = 1,798,358.94/1,732.59
  6. Step 6: Final answer
    x = 1,037.96

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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.