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Finding the Fourth Proportional to 13,963.61, 20,933.64 and 6,060.17

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Solution

The fourth proportional to 13,963.61, 20,933.64 and 6,060.17 is: 9,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.61 : 20,933.64 = 6,060.17 : x
  2. Step 2: Convert to fraction form
    13,963.61/20,933.64 = 6,060.17/x
  3. Step 3: Cross multiply
    13,963.61x = 20,933.64 × 6,060.17
  4. Step 4: Simplify right side
    13,963.61x = 126,861,469.45
  5. Step 5: Solve for x
    x = 126,861,469.45/13,963.61
  6. Step 6: Final answer
    x = 9,085.15

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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.