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Finding the Fourth Proportional to 54,212.40, 81,203.40 and 44,996.40

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Solution

The fourth proportional to 54,212.40, 81,203.40 and 44,996.40 is: 67,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.40 : 81,203.40 = 44,996.40 : x
  2. Step 2: Convert to fraction form
    54,212.40/81,203.40 = 44,996.40/x
  3. Step 3: Cross multiply
    54,212.40x = 81,203.40 × 44,996.40
  4. Step 4: Simplify right side
    54,212.40x = 3,653,860,667.76
  5. Step 5: Solve for x
    x = 3,653,860,667.76/54,212.40
  6. Step 6: Final answer
    x = 67,398.98

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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.