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Finding the Fourth Proportional to 48,938.80, 73,410.60 and 25,610.80

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Solution

The fourth proportional to 48,938.80, 73,410.60 and 25,610.80 is: 38,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.80 : 73,410.60 = 25,610.80 : x
  2. Step 2: Convert to fraction form
    48,938.80/73,410.60 = 25,610.80/x
  3. Step 3: Cross multiply
    48,938.80x = 73,410.60 × 25,610.80
  4. Step 4: Simplify right side
    48,938.80x = 1,880,104,194.48
  5. Step 5: Solve for x
    x = 1,880,104,194.48/48,938.80
  6. Step 6: Final answer
    x = 38,417.46

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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.