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Finding the Fourth Proportional to 34,958.66, 52,437.48 and 8,663.22

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Solution

The fourth proportional to 34,958.66, 52,437.48 and 8,663.22 is: 12,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,958.66 : 52,437.48 = 8,663.22 : x
  2. Step 2: Convert to fraction form
    34,958.66/52,437.48 = 8,663.22/x
  3. Step 3: Cross multiply
    34,958.66x = 52,437.48 × 8,663.22
  4. Step 4: Simplify right side
    34,958.66x = 454,277,425.49
  5. Step 5: Solve for x
    x = 454,277,425.49/34,958.66
  6. Step 6: Final answer
    x = 12,994.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.