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Finding the Fourth Proportional to 18,166.38, 25,069.02 and 10,100.01

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Solution

The fourth proportional to 18,166.38, 25,069.02 and 10,100.01 is: 13,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.38 : 25,069.02 = 10,100.01 : x
  2. Step 2: Convert to fraction form
    18,166.38/25,069.02 = 10,100.01/x
  3. Step 3: Cross multiply
    18,166.38x = 25,069.02 × 10,100.01
  4. Step 4: Simplify right side
    18,166.38x = 253,197,352.69
  5. Step 5: Solve for x
    x = 253,197,352.69/18,166.38
  6. Step 6: Final answer
    x = 13,937.69

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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.