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Finding the Fourth Proportional to 44,379.96, 66,570 and 25,899

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Solution

The fourth proportional to 44,379.96, 66,570 and 25,899 is: 38,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,379.96 : 66,570 = 25,899 : x
  2. Step 2: Convert to fraction form
    44,379.96/66,570 = 25,899/x
  3. Step 3: Cross multiply
    44,379.96x = 66,570 × 25,899
  4. Step 4: Simplify right side
    44,379.96x = 1,724,096,430
  5. Step 5: Solve for x
    x = 1,724,096,430/44,379.96
  6. Step 6: Final answer
    x = 38,848.54

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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.