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Finding the Fourth Proportional to 48,939.70, 73,409.55 and 48,594.10

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Solution

The fourth proportional to 48,939.70, 73,409.55 and 48,594.10 is: 72,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.70 : 73,409.55 = 48,594.10 : x
  2. Step 2: Convert to fraction form
    48,939.70/73,409.55 = 48,594.10/x
  3. Step 3: Cross multiply
    48,939.70x = 73,409.55 × 48,594.10
  4. Step 4: Simplify right side
    48,939.70x = 3,567,271,013.66
  5. Step 5: Solve for x
    x = 3,567,271,013.66/48,939.70
  6. Step 6: Final answer
    x = 72,891.15

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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.