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Finding the Fourth Proportional to 49,888.67, 74,871.07 and 18,328.64

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Solution

The fourth proportional to 49,888.67, 74,871.07 and 18,328.64 is: 27,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.67 : 74,871.07 = 18,328.64 : x
  2. Step 2: Convert to fraction form
    49,888.67/74,871.07 = 18,328.64/x
  3. Step 3: Cross multiply
    49,888.67x = 74,871.07 × 18,328.64
  4. Step 4: Simplify right side
    49,888.67x = 1,372,284,468.27
  5. Step 5: Solve for x
    x = 1,372,284,468.27/49,888.67
  6. Step 6: Final answer
    x = 27,506.94

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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.