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Finding the Fourth Proportional to 18,506.75, 25,537.41 and 10,548.50

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Solution

The fourth proportional to 18,506.75, 25,537.41 and 10,548.50 is: 14,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.75 : 25,537.41 = 10,548.50 : x
  2. Step 2: Convert to fraction form
    18,506.75/25,537.41 = 10,548.50/x
  3. Step 3: Cross multiply
    18,506.75x = 25,537.41 × 10,548.50
  4. Step 4: Simplify right side
    18,506.75x = 269,381,241.70
  5. Step 5: Solve for x
    x = 269,381,241.70/18,506.75
  6. Step 6: Final answer
    x = 14,555.84

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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.