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Finding the Fourth Proportional to 50,882.77, 70,172.29 and 31,764.31

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Solution

The fourth proportional to 50,882.77, 70,172.29 and 31,764.31 is: 43,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,882.77 : 70,172.29 = 31,764.31 : x
  2. Step 2: Convert to fraction form
    50,882.77/70,172.29 = 31,764.31/x
  3. Step 3: Cross multiply
    50,882.77x = 70,172.29 × 31,764.31
  4. Step 4: Simplify right side
    50,882.77x = 2,228,974,058.57
  5. Step 5: Solve for x
    x = 2,228,974,058.57/50,882.77
  6. Step 6: Final answer
    x = 43,806.07

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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.