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Finding the Fourth Proportional to 18,735.35, 25,854 and 10,237.76

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Solution

The fourth proportional to 18,735.35, 25,854 and 10,237.76 is: 14,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.35 : 25,854 = 10,237.76 : x
  2. Step 2: Convert to fraction form
    18,735.35/25,854 = 10,237.76/x
  3. Step 3: Cross multiply
    18,735.35x = 25,854 × 10,237.76
  4. Step 4: Simplify right side
    18,735.35x = 264,686,917.77
  5. Step 5: Solve for x
    x = 264,686,917.77/18,735.35
  6. Step 6: Final answer
    x = 14,127.68

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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.