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Finding the Fourth Proportional to 49,202.40, 73,810.80 and 25,830.60

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Solution

The fourth proportional to 49,202.40, 73,810.80 and 25,830.60 is: 38,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,202.40 : 73,810.80 = 25,830.60 : x
  2. Step 2: Convert to fraction form
    49,202.40/73,810.80 = 25,830.60/x
  3. Step 3: Cross multiply
    49,202.40x = 73,810.80 × 25,830.60
  4. Step 4: Simplify right side
    49,202.40x = 1,906,577,250.48
  5. Step 5: Solve for x
    x = 1,906,577,250.48/49,202.40
  6. Step 6: Final answer
    x = 38,749.68

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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.