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Finding the Fourth Proportional to 42,741.44, 64,103.52 and 35,794.88

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Solution

The fourth proportional to 42,741.44, 64,103.52 and 35,794.88 is: 53,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,741.44 : 64,103.52 = 35,794.88 : x
  2. Step 2: Convert to fraction form
    42,741.44/64,103.52 = 35,794.88/x
  3. Step 3: Cross multiply
    42,741.44x = 64,103.52 × 35,794.88
  4. Step 4: Simplify right side
    42,741.44x = 2,294,577,805.98
  5. Step 5: Solve for x
    x = 2,294,577,805.98/42,741.44
  6. Step 6: Final answer
    x = 53,685.08

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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.