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Finding the Fourth Proportional to 17,695.50, 24,420.36 and 9,738.30

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Solution

The fourth proportional to 17,695.50, 24,420.36 and 9,738.30 is: 13,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.50 : 24,420.36 = 9,738.30 : x
  2. Step 2: Convert to fraction form
    17,695.50/24,420.36 = 9,738.30/x
  3. Step 3: Cross multiply
    17,695.50x = 24,420.36 × 9,738.30
  4. Step 4: Simplify right side
    17,695.50x = 237,812,791.79
  5. Step 5: Solve for x
    x = 237,812,791.79/17,695.50
  6. Step 6: Final answer
    x = 13,439.17

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1.5x scale

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.