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Finding the Fourth Proportional to 35,266.39, 52,899.78 and 8,971.15

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Solution

The fourth proportional to 35,266.39, 52,899.78 and 8,971.15 is: 13,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,266.39 : 52,899.78 = 8,971.15 : x
  2. Step 2: Convert to fraction form
    35,266.39/52,899.78 = 8,971.15/x
  3. Step 3: Cross multiply
    35,266.39x = 52,899.78 × 8,971.15
  4. Step 4: Simplify right side
    35,266.39x = 474,571,861.35
  5. Step 5: Solve for x
    x = 474,571,861.35/35,266.39
  6. Step 6: Final answer
    x = 13,456.77

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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.