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Finding the Fourth Proportional to 63,744.49, 87,967.48 and 35,450.18

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Solution

The fourth proportional to 63,744.49, 87,967.48 and 35,450.18 is: 48,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,744.49 : 87,967.48 = 35,450.18 : x
  2. Step 2: Convert to fraction form
    63,744.49/87,967.48 = 35,450.18/x
  3. Step 3: Cross multiply
    63,744.49x = 87,967.48 × 35,450.18
  4. Step 4: Simplify right side
    63,744.49x = 3,118,462,604.62
  5. Step 5: Solve for x
    x = 3,118,462,604.62/63,744.49
  6. Step 6: Final answer
    x = 48,921.29

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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.