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Finding the Fourth Proportional to 18,460.84, 27,699.90 and 8,606.92

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Solution

The fourth proportional to 18,460.84, 27,699.90 and 8,606.92 is: 12,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.84 : 27,699.90 = 8,606.92 : x
  2. Step 2: Convert to fraction form
    18,460.84/27,699.90 = 8,606.92/x
  3. Step 3: Cross multiply
    18,460.84x = 27,699.90 × 8,606.92
  4. Step 4: Simplify right side
    18,460.84x = 238,410,823.31
  5. Step 5: Solve for x
    x = 238,410,823.31/18,460.84
  6. Step 6: Final answer
    x = 12,914.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.