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Finding the Fourth Proportional to 47,580.66, 65,659.86 and 26,359.56

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Solution

The fourth proportional to 47,580.66, 65,659.86 and 26,359.56 is: 36,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,580.66 : 65,659.86 = 26,359.56 : x
  2. Step 2: Convert to fraction form
    47,580.66/65,659.86 = 26,359.56/x
  3. Step 3: Cross multiply
    47,580.66x = 65,659.86 × 26,359.56
  4. Step 4: Simplify right side
    47,580.66x = 1,730,765,019.26
  5. Step 5: Solve for x
    x = 1,730,765,019.26/47,580.66
  6. Step 6: Final answer
    x = 36,375.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.