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Finding the Fourth Proportional to 66,031.98, 99,046.98 and 26,588.09

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Solution

The fourth proportional to 66,031.98, 99,046.98 and 26,588.09 is: 39,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,031.98 : 99,046.98 = 26,588.09 : x
  2. Step 2: Convert to fraction form
    66,031.98/99,046.98 = 26,588.09/x
  3. Step 3: Cross multiply
    66,031.98x = 99,046.98 × 26,588.09
  4. Step 4: Simplify right side
    66,031.98x = 2,633,469,523.23
  5. Step 5: Solve for x
    x = 2,633,469,523.23/66,031.98
  6. Step 6: Final answer
    x = 39,881.73

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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.