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Finding the Fourth Proportional to 35,012.88, 52,501.80 and 11,631.12

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Solution

The fourth proportional to 35,012.88, 52,501.80 and 11,631.12 is: 17,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,012.88 : 52,501.80 = 11,631.12 : x
  2. Step 2: Convert to fraction form
    35,012.88/52,501.80 = 11,631.12/x
  3. Step 3: Cross multiply
    35,012.88x = 52,501.80 × 11,631.12
  4. Step 4: Simplify right side
    35,012.88x = 610,654,736.02
  5. Step 5: Solve for x
    x = 610,654,736.02/35,012.88
  6. Step 6: Final answer
    x = 17,440.86

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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.