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Finding the Fourth Proportional to 34,916.98, 48,185.40 and 19,001.40

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Solution

The fourth proportional to 34,916.98, 48,185.40 and 19,001.40 is: 26,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,916.98 : 48,185.40 = 19,001.40 : x
  2. Step 2: Convert to fraction form
    34,916.98/48,185.40 = 19,001.40/x
  3. Step 3: Cross multiply
    34,916.98x = 48,185.40 × 19,001.40
  4. Step 4: Simplify right side
    34,916.98x = 915,590,059.56
  5. Step 5: Solve for x
    x = 915,590,059.56/34,916.98
  6. Step 6: Final answer
    x = 26,221.91

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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.