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Finding the Fourth Proportional to 13,846, 19,107.54 and 7,558.42

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Solution

The fourth proportional to 13,846, 19,107.54 and 7,558.42 is: 10,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846 : 19,107.54 = 7,558.42 : x
  2. Step 2: Convert to fraction form
    13,846/19,107.54 = 7,558.42/x
  3. Step 3: Cross multiply
    13,846x = 19,107.54 × 7,558.42
  4. Step 4: Simplify right side
    13,846x = 144,422,812.49
  5. Step 5: Solve for x
    x = 144,422,812.49/13,846
  6. Step 6: Final answer
    x = 10,430.65

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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.