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Finding the Fourth Proportional to 50,673.84, 69,954.84 and 31,821.36

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Solution

The fourth proportional to 50,673.84, 69,954.84 and 31,821.36 is: 43,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,673.84 : 69,954.84 = 31,821.36 : x
  2. Step 2: Convert to fraction form
    50,673.84/69,954.84 = 31,821.36/x
  3. Step 3: Cross multiply
    50,673.84x = 69,954.84 × 31,821.36
  4. Step 4: Simplify right side
    50,673.84x = 2,226,058,147.38
  5. Step 5: Solve for x
    x = 2,226,058,147.38/50,673.84
  6. Step 6: Final answer
    x = 43,929.14

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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.