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Finding the Fourth Proportional to 18,683.34, 27,888.24 and 16,469.10

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Solution

The fourth proportional to 18,683.34, 27,888.24 and 16,469.10 is: 24,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.34 : 27,888.24 = 16,469.10 : x
  2. Step 2: Convert to fraction form
    18,683.34/27,888.24 = 16,469.10/x
  3. Step 3: Cross multiply
    18,683.34x = 27,888.24 × 16,469.10
  4. Step 4: Simplify right side
    18,683.34x = 459,294,213.38
  5. Step 5: Solve for x
    x = 459,294,213.38/18,683.34
  6. Step 6: Final answer
    x = 24,583.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.