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Finding the Fourth Proportional to 63,512.88, 87,607.80 and 41,155.44

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Solution

The fourth proportional to 63,512.88, 87,607.80 and 41,155.44 is: 56,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.88 : 87,607.80 = 41,155.44 : x
  2. Step 2: Convert to fraction form
    63,512.88/87,607.80 = 41,155.44/x
  3. Step 3: Cross multiply
    63,512.88x = 87,607.80 × 41,155.44
  4. Step 4: Simplify right side
    63,512.88x = 3,605,537,556.43
  5. Step 5: Solve for x
    x = 3,605,537,556.43/63,512.88
  6. Step 6: Final answer
    x = 56,768.60

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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.