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Finding the Fourth Proportional to 48,813.99, 73,220.96 and 25,485.99

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Solution

The fourth proportional to 48,813.99, 73,220.96 and 25,485.99 is: 38,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.99 : 73,220.96 = 25,485.99 : x
  2. Step 2: Convert to fraction form
    48,813.99/73,220.96 = 25,485.99/x
  3. Step 3: Cross multiply
    48,813.99x = 73,220.96 × 25,485.99
  4. Step 4: Simplify right side
    48,813.99x = 1,866,108,526.92
  5. Step 5: Solve for x
    x = 1,866,108,526.92/48,813.99
  6. Step 6: Final answer
    x = 38,228.97

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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.