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Finding the Fourth Proportional to 50,755.08, 70,024.80 and 29,516.88

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Solution

The fourth proportional to 50,755.08, 70,024.80 and 29,516.88 is: 40,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.08 : 70,024.80 = 29,516.88 : x
  2. Step 2: Convert to fraction form
    50,755.08/70,024.80 = 29,516.88/x
  3. Step 3: Cross multiply
    50,755.08x = 70,024.80 × 29,516.88
  4. Step 4: Simplify right side
    50,755.08x = 2,066,913,618.62
  5. Step 5: Solve for x
    x = 2,066,913,618.62/50,755.08
  6. Step 6: Final answer
    x = 40,723.29

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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.