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Finding the Fourth Proportional to 44,672.37, 66,920.94 and 25,913

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Solution

The fourth proportional to 44,672.37, 66,920.94 and 25,913 is: 38,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,672.37 : 66,920.94 = 25,913 : x
  2. Step 2: Convert to fraction form
    44,672.37/66,920.94 = 25,913/x
  3. Step 3: Cross multiply
    44,672.37x = 66,920.94 × 25,913
  4. Step 4: Simplify right side
    44,672.37x = 1,734,122,318.22
  5. Step 5: Solve for x
    x = 1,734,122,318.22/44,672.37
  6. Step 6: Final answer
    x = 38,818.68

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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.