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Finding the Fourth Proportional to 44,354.88, 66,538.72 and 15,889.60

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Solution

The fourth proportional to 44,354.88, 66,538.72 and 15,889.60 is: 23,836.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,354.88 : 66,538.72 = 15,889.60 : x
  2. Step 2: Convert to fraction form
    44,354.88/66,538.72 = 15,889.60/x
  3. Step 3: Cross multiply
    44,354.88x = 66,538.72 × 15,889.60
  4. Step 4: Simplify right side
    44,354.88x = 1,057,273,645.31
  5. Step 5: Solve for x
    x = 1,057,273,645.31/44,354.88
  6. Step 6: Final answer
    x = 23,836.69

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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.