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Finding the Fourth Proportional to 50,744.40, 70,010.20 and 29,506.20

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Solution

The fourth proportional to 50,744.40, 70,010.20 and 29,506.20 is: 40,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,744.40 : 70,010.20 = 29,506.20 : x
  2. Step 2: Convert to fraction form
    50,744.40/70,010.20 = 29,506.20/x
  3. Step 3: Cross multiply
    50,744.40x = 70,010.20 × 29,506.20
  4. Step 4: Simplify right side
    50,744.40x = 2,065,734,963.24
  5. Step 5: Solve for x
    x = 2,065,734,963.24/50,744.40
  6. Step 6: Final answer
    x = 40,708.63

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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.