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Finding the Fourth Proportional to 57,251.32, 79,006.82 and 31,756.82

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Solution

The fourth proportional to 57,251.32, 79,006.82 and 31,756.82 is: 43,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.32 : 79,006.82 = 31,756.82 : x
  2. Step 2: Convert to fraction form
    57,251.32/79,006.82 = 31,756.82/x
  3. Step 3: Cross multiply
    57,251.32x = 79,006.82 × 31,756.82
  4. Step 4: Simplify right side
    57,251.32x = 2,509,005,361.51
  5. Step 5: Solve for x
    x = 2,509,005,361.51/57,251.32
  6. Step 6: Final answer
    x = 43,824.41

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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.