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Finding the Fourth Proportional to 1,732.80, 2,599.04 and 692.52

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Solution

The fourth proportional to 1,732.80, 2,599.04 and 692.52 is: 1,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.80 : 2,599.04 = 692.52 : x
  2. Step 2: Convert to fraction form
    1,732.80/2,599.04 = 692.52/x
  3. Step 3: Cross multiply
    1,732.80x = 2,599.04 × 692.52
  4. Step 4: Simplify right side
    1,732.80x = 1,799,887.18
  5. Step 5: Solve for x
    x = 1,799,887.18/1,732.80
  6. Step 6: Final answer
    x = 1,038.72

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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.