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Finding the Fourth Proportional to 18,581, 25,645.02 and 10,623.56

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Solution

The fourth proportional to 18,581, 25,645.02 and 10,623.56 is: 14,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581 : 25,645.02 = 10,623.56 : x
  2. Step 2: Convert to fraction form
    18,581/25,645.02 = 10,623.56/x
  3. Step 3: Cross multiply
    18,581x = 25,645.02 × 10,623.56
  4. Step 4: Simplify right side
    18,581x = 272,441,408.67
  5. Step 5: Solve for x
    x = 272,441,408.67/18,581
  6. Step 6: Final answer
    x = 14,662.37

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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.