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Finding the Fourth Proportional to 34,141.88, 47,115.99 and 19,035.50

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Solution

The fourth proportional to 34,141.88, 47,115.99 and 19,035.50 is: 26,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,141.88 : 47,115.99 = 19,035.50 : x
  2. Step 2: Convert to fraction form
    34,141.88/47,115.99 = 19,035.50/x
  3. Step 3: Cross multiply
    34,141.88x = 47,115.99 × 19,035.50
  4. Step 4: Simplify right side
    34,141.88x = 896,876,427.65
  5. Step 5: Solve for x
    x = 896,876,427.65/34,141.88
  6. Step 6: Final answer
    x = 26,269.10

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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.