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Finding the Fourth Proportional to 2,692, 3,716.58 and 1,762.12

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Solution

The fourth proportional to 2,692, 3,716.58 and 1,762.12 is: 2,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692 : 3,716.58 = 1,762.12 : x
  2. Step 2: Convert to fraction form
    2,692/3,716.58 = 1,762.12/x
  3. Step 3: Cross multiply
    2,692x = 3,716.58 × 1,762.12
  4. Step 4: Simplify right side
    2,692x = 6,549,059.95
  5. Step 5: Solve for x
    x = 6,549,059.95/2,692
  6. Step 6: Final answer
    x = 2,432.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.