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Finding the Fourth Proportional to 53,771.95, 80,657.91 and 25,606.60

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Solution

The fourth proportional to 53,771.95, 80,657.91 and 25,606.60 is: 38,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,771.95 : 80,657.91 = 25,606.60 : x
  2. Step 2: Convert to fraction form
    53,771.95/80,657.91 = 25,606.60/x
  3. Step 3: Cross multiply
    53,771.95x = 80,657.91 × 25,606.60
  4. Step 4: Simplify right side
    53,771.95x = 2,065,375,090.26
  5. Step 5: Solve for x
    x = 2,065,375,090.26/53,771.95
  6. Step 6: Final answer
    x = 38,409.90

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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.