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Finding the Fourth Proportional to 43,884.72, 60,559.80 and 25,980

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Solution

The fourth proportional to 43,884.72, 60,559.80 and 25,980 is: 35,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,884.72 : 60,559.80 = 25,980 : x
  2. Step 2: Convert to fraction form
    43,884.72/60,559.80 = 25,980/x
  3. Step 3: Cross multiply
    43,884.72x = 60,559.80 × 25,980
  4. Step 4: Simplify right side
    43,884.72x = 1,573,343,604
  5. Step 5: Solve for x
    x = 1,573,343,604/43,884.72
  6. Step 6: Final answer
    x = 35,851.74

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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.