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Finding the Fourth Proportional to 63,512.64, 87,647.94 and 35,218.26

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Solution

The fourth proportional to 63,512.64, 87,647.94 and 35,218.26 is: 48,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.64 : 87,647.94 = 35,218.26 : x
  2. Step 2: Convert to fraction form
    63,512.64/87,647.94 = 35,218.26/x
  3. Step 3: Cross multiply
    63,512.64x = 87,647.94 × 35,218.26
  4. Step 4: Simplify right side
    63,512.64x = 3,086,807,939.38
  5. Step 5: Solve for x
    x = 3,086,807,939.38/63,512.64
  6. Step 6: Final answer
    x = 48,601.47

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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.