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Finding the Fourth Proportional to 48,841.40, 73,290.90 and 17,672.60

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Solution

The fourth proportional to 48,841.40, 73,290.90 and 17,672.60 is: 26,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,841.40 : 73,290.90 = 17,672.60 : x
  2. Step 2: Convert to fraction form
    48,841.40/73,290.90 = 17,672.60/x
  3. Step 3: Cross multiply
    48,841.40x = 73,290.90 × 17,672.60
  4. Step 4: Simplify right side
    48,841.40x = 1,295,240,759.34
  5. Step 5: Solve for x
    x = 1,295,240,759.34/48,841.40
  6. Step 6: Final answer
    x = 26,519.32

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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.