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Finding the Fourth Proportional to 44,679.60, 66,999.60 and 15,089.40

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Solution

The fourth proportional to 44,679.60, 66,999.60 and 15,089.40 is: 22,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,679.60 : 66,999.60 = 15,089.40 : x
  2. Step 2: Convert to fraction form
    44,679.60/66,999.60 = 15,089.40/x
  3. Step 3: Cross multiply
    44,679.60x = 66,999.60 × 15,089.40
  4. Step 4: Simplify right side
    44,679.60x = 1,010,983,764.24
  5. Step 5: Solve for x
    x = 1,010,983,764.24/44,679.60
  6. Step 6: Final answer
    x = 22,627.41

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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.