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Finding the Fourth Proportional to 50,964.78, 70,333.74 and 28,303.88

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Solution

The fourth proportional to 50,964.78, 70,333.74 and 28,303.88 is: 39,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.78 : 70,333.74 = 28,303.88 : x
  2. Step 2: Convert to fraction form
    50,964.78/70,333.74 = 28,303.88/x
  3. Step 3: Cross multiply
    50,964.78x = 70,333.74 × 28,303.88
  4. Step 4: Simplify right side
    50,964.78x = 1,990,717,243.72
  5. Step 5: Solve for x
    x = 1,990,717,243.72/50,964.78
  6. Step 6: Final answer
    x = 39,060.65

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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.