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Finding the Fourth Proportional to 35,076.98, 48,405.44 and 19,161.49

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Solution

The fourth proportional to 35,076.98, 48,405.44 and 19,161.49 is: 26,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,076.98 : 48,405.44 = 19,161.49 : x
  2. Step 2: Convert to fraction form
    35,076.98/48,405.44 = 19,161.49/x
  3. Step 3: Cross multiply
    35,076.98x = 48,405.44 × 19,161.49
  4. Step 4: Simplify right side
    35,076.98x = 927,520,354.51
  5. Step 5: Solve for x
    x = 927,520,354.51/35,076.98
  6. Step 6: Final answer
    x = 26,442.42

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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.