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Finding the Fourth Proportional to 35,495.88, 53,243.88 and 19,914.72

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Solution

The fourth proportional to 35,495.88, 53,243.88 and 19,914.72 is: 29,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.88 : 53,243.88 = 19,914.72 : x
  2. Step 2: Convert to fraction form
    35,495.88/53,243.88 = 19,914.72/x
  3. Step 3: Cross multiply
    35,495.88x = 53,243.88 × 19,914.72
  4. Step 4: Simplify right side
    35,495.88x = 1,060,336,961.91
  5. Step 5: Solve for x
    x = 1,060,336,961.91/35,495.88
  6. Step 6: Final answer
    x = 29,872.11

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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.