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Finding the Fourth Proportional to 18,244, 25,176.73 and 9,860.50

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Solution

The fourth proportional to 18,244, 25,176.73 and 9,860.50 is: 13,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244 : 25,176.73 = 9,860.50 : x
  2. Step 2: Convert to fraction form
    18,244/25,176.73 = 9,860.50/x
  3. Step 3: Cross multiply
    18,244x = 25,176.73 × 9,860.50
  4. Step 4: Simplify right side
    18,244x = 248,255,146.17
  5. Step 5: Solve for x
    x = 248,255,146.17/18,244
  6. Step 6: Final answer
    x = 13,607.50

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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.