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Finding the Fourth Proportional to 48,686.80, 73,015.60 and 25,300.48

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Solution

The fourth proportional to 48,686.80, 73,015.60 and 25,300.48 is: 37,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.80 : 73,015.60 = 25,300.48 : x
  2. Step 2: Convert to fraction form
    48,686.80/73,015.60 = 25,300.48/x
  3. Step 3: Cross multiply
    48,686.80x = 73,015.60 × 25,300.48
  4. Step 4: Simplify right side
    48,686.80x = 1,847,329,727.49
  5. Step 5: Solve for x
    x = 1,847,329,727.49/48,686.80
  6. Step 6: Final answer
    x = 37,943.13

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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.