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Finding the Fourth Proportional to 18,600.74, 25,669.02 and 10,102.82

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Solution

The fourth proportional to 18,600.74, 25,669.02 and 10,102.82 is: 13,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.74 : 25,669.02 = 10,102.82 : x
  2. Step 2: Convert to fraction form
    18,600.74/25,669.02 = 10,102.82/x
  3. Step 3: Cross multiply
    18,600.74x = 25,669.02 × 10,102.82
  4. Step 4: Simplify right side
    18,600.74x = 259,329,488.64
  5. Step 5: Solve for x
    x = 259,329,488.64/18,600.74
  6. Step 6: Final answer
    x = 13,941.89

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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.