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Finding the Fourth Proportional to 63,571.82, 87,729.64 and 35,277.98

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Solution

The fourth proportional to 63,571.82, 87,729.64 and 35,277.98 is: 48,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,571.82 : 87,729.64 = 35,277.98 : x
  2. Step 2: Convert to fraction form
    63,571.82/87,729.64 = 35,277.98/x
  3. Step 3: Cross multiply
    63,571.82x = 87,729.64 × 35,277.98
  4. Step 4: Simplify right side
    63,571.82x = 3,094,924,485.33
  5. Step 5: Solve for x
    x = 3,094,924,485.33/63,571.82
  6. Step 6: Final answer
    x = 48,683.91

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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.