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Finding the Fourth Proportional to 31,965.97, 44,094.97 and 20,008.55

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Solution

The fourth proportional to 31,965.97, 44,094.97 and 20,008.55 is: 27,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.97 : 44,094.97 = 20,008.55 : x
  2. Step 2: Convert to fraction form
    31,965.97/44,094.97 = 20,008.55/x
  3. Step 3: Cross multiply
    31,965.97x = 44,094.97 × 20,008.55
  4. Step 4: Simplify right side
    31,965.97x = 882,276,411.99
  5. Step 5: Solve for x
    x = 882,276,411.99/31,965.97
  6. Step 6: Final answer
    x = 27,600.49

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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.