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Finding the Fourth Proportional to 71,309.88, 98,452.44 and 45,827.64

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Solution

The fourth proportional to 71,309.88, 98,452.44 and 45,827.64 is: 63,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,309.88 : 98,452.44 = 45,827.64 : x
  2. Step 2: Convert to fraction form
    71,309.88/98,452.44 = 45,827.64/x
  3. Step 3: Cross multiply
    71,309.88x = 98,452.44 × 45,827.64
  4. Step 4: Simplify right side
    71,309.88x = 4,511,842,977.44
  5. Step 5: Solve for x
    x = 4,511,842,977.44/71,309.88
  6. Step 6: Final answer
    x = 63,270.94

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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.