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Finding the Fourth Proportional to 31,503.56, 43,479.72 and 23,937.56

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Solution

The fourth proportional to 31,503.56, 43,479.72 and 23,937.56 is: 33,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.56 : 43,479.72 = 23,937.56 : x
  2. Step 2: Convert to fraction form
    31,503.56/43,479.72 = 23,937.56/x
  3. Step 3: Cross multiply
    31,503.56x = 43,479.72 × 23,937.56
  4. Step 4: Simplify right side
    31,503.56x = 1,040,798,406.28
  5. Step 5: Solve for x
    x = 1,040,798,406.28/31,503.56
  6. Step 6: Final answer
    x = 33,037.49

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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.