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Finding the Fourth Proportional to 44,665.53, 66,972.77 and 18,348.63

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Solution

The fourth proportional to 44,665.53, 66,972.77 and 18,348.63 is: 27,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,665.53 : 66,972.77 = 18,348.63 : x
  2. Step 2: Convert to fraction form
    44,665.53/66,972.77 = 18,348.63/x
  3. Step 3: Cross multiply
    44,665.53x = 66,972.77 × 18,348.63
  4. Step 4: Simplify right side
    44,665.53x = 1,228,858,576.81
  5. Step 5: Solve for x
    x = 1,228,858,576.81/44,665.53
  6. Step 6: Final answer
    x = 27,512.46

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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.