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Finding the Fourth Proportional to 54,615.59, 75,392.73 and 36,720.96

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Solution

The fourth proportional to 54,615.59, 75,392.73 and 36,720.96 is: 50,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.59 : 75,392.73 = 36,720.96 : x
  2. Step 2: Convert to fraction form
    54,615.59/75,392.73 = 36,720.96/x
  3. Step 3: Cross multiply
    54,615.59x = 75,392.73 × 36,720.96
  4. Step 4: Simplify right side
    54,615.59x = 2,768,493,422.62
  5. Step 5: Solve for x
    x = 2,768,493,422.62/54,615.59
  6. Step 6: Final answer
    x = 50,690.54

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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.