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Finding the Fourth Proportional to 18,600.67, 25,668.93 and 10,102.76

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Solution

The fourth proportional to 18,600.67, 25,668.93 and 10,102.76 is: 13,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.67 : 25,668.93 = 10,102.76 : x
  2. Step 2: Convert to fraction form
    18,600.67/25,668.93 = 10,102.76/x
  3. Step 3: Cross multiply
    18,600.67x = 25,668.93 × 10,102.76
  4. Step 4: Simplify right side
    18,600.67x = 259,327,045.05
  5. Step 5: Solve for x
    x = 259,327,045.05/18,600.67
  6. Step 6: Final answer
    x = 13,941.81

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1.5x scale

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.