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Finding the Fourth Proportional to 48,813.49, 73,220.21 and 25,485.49

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Solution

The fourth proportional to 48,813.49, 73,220.21 and 25,485.49 is: 38,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,813.49 : 73,220.21 = 25,485.49 : x
  2. Step 2: Convert to fraction form
    48,813.49/73,220.21 = 25,485.49/x
  3. Step 3: Cross multiply
    48,813.49x = 73,220.21 × 25,485.49
  4. Step 4: Simplify right side
    48,813.49x = 1,866,052,929.75
  5. Step 5: Solve for x
    x = 1,866,052,929.75/48,813.49
  6. Step 6: Final answer
    x = 38,228.22

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1.5x scale

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.