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Finding the Fourth Proportional to 35,351.67, 48,784.87 and 19,435.98

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Solution

The fourth proportional to 35,351.67, 48,784.87 and 19,435.98 is: 26,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,351.67 : 48,784.87 = 19,435.98 : x
  2. Step 2: Convert to fraction form
    35,351.67/48,784.87 = 19,435.98/x
  3. Step 3: Cross multiply
    35,351.67x = 48,784.87 × 19,435.98
  4. Step 4: Simplify right side
    35,351.67x = 948,181,660.44
  5. Step 5: Solve for x
    x = 948,181,660.44/35,351.67
  6. Step 6: Final answer
    x = 26,821.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.