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Finding the Fourth Proportional to 50,738.40, 70,022.70 and 29,231.64

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Solution

The fourth proportional to 50,738.40, 70,022.70 and 29,231.64 is: 40,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.40 : 70,022.70 = 29,231.64 : x
  2. Step 2: Convert to fraction form
    50,738.40/70,022.70 = 29,231.64/x
  3. Step 3: Cross multiply
    50,738.40x = 70,022.70 × 29,231.64
  4. Step 4: Simplify right side
    50,738.40x = 2,046,878,358.23
  5. Step 5: Solve for x
    x = 2,046,878,358.23/50,738.40
  6. Step 6: Final answer
    x = 40,341.80

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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.