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Finding the Fourth Proportional to 11,695.32, 17,542.98 and 3,904.20

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Solution

The fourth proportional to 11,695.32, 17,542.98 and 3,904.20 is: 5,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.32 : 17,542.98 = 3,904.20 : x
  2. Step 2: Convert to fraction form
    11,695.32/17,542.98 = 3,904.20/x
  3. Step 3: Cross multiply
    11,695.32x = 17,542.98 × 3,904.20
  4. Step 4: Simplify right side
    11,695.32x = 68,491,302.52
  5. Step 5: Solve for x
    x = 68,491,302.52/11,695.32
  6. Step 6: Final answer
    x = 5,856.30

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1.5x scale

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.