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Finding the Fourth Proportional to 34,659.80, 51,878.78 and 17,996.99

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Solution

The fourth proportional to 34,659.80, 51,878.78 and 17,996.99 is: 26,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.80 : 51,878.78 = 17,996.99 : x
  2. Step 2: Convert to fraction form
    34,659.80/51,878.78 = 17,996.99/x
  3. Step 3: Cross multiply
    34,659.80x = 51,878.78 × 17,996.99
  4. Step 4: Simplify right side
    34,659.80x = 933,661,602.98
  5. Step 5: Solve for x
    x = 933,661,602.98/34,659.80
  6. Step 6: Final answer
    x = 26,937.88

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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.