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Finding the Fourth Proportional to 50,964.84, 76,477.31 and 19,401.45

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Solution

The fourth proportional to 50,964.84, 76,477.31 and 19,401.45 is: 29,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.84 : 76,477.31 = 19,401.45 : x
  2. Step 2: Convert to fraction form
    50,964.84/76,477.31 = 19,401.45/x
  3. Step 3: Cross multiply
    50,964.84x = 76,477.31 × 19,401.45
  4. Step 4: Simplify right side
    50,964.84x = 1,483,770,609.09
  5. Step 5: Solve for x
    x = 1,483,770,609.09/50,964.84
  6. Step 6: Final answer
    x = 29,113.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.