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Finding the Fourth Proportional to 29,611.98, 40,863.30 and 17,520.30

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Solution

The fourth proportional to 29,611.98, 40,863.30 and 17,520.30 is: 24,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,611.98 : 40,863.30 = 17,520.30 : x
  2. Step 2: Convert to fraction form
    29,611.98/40,863.30 = 17,520.30/x
  3. Step 3: Cross multiply
    29,611.98x = 40,863.30 × 17,520.30
  4. Step 4: Simplify right side
    29,611.98x = 715,937,274.99
  5. Step 5: Solve for x
    x = 715,937,274.99/29,611.98
  6. Step 6: Final answer
    x = 24,177.28

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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.