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Finding the Fourth Proportional to 34,045.88, 46,983.31 and 19,141.88

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Solution

The fourth proportional to 34,045.88, 46,983.31 and 19,141.88 is: 26,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.88 : 46,983.31 = 19,141.88 : x
  2. Step 2: Convert to fraction form
    34,045.88/46,983.31 = 19,141.88/x
  3. Step 3: Cross multiply
    34,045.88x = 46,983.31 × 19,141.88
  4. Step 4: Simplify right side
    34,045.88x = 899,348,882.02
  5. Step 5: Solve for x
    x = 899,348,882.02/34,045.88
  6. Step 6: Final answer
    x = 26,415.79

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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.