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Finding the Fourth Proportional to 63,571.92, 87,729.30 and 35,277.63

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Solution

The fourth proportional to 63,571.92, 87,729.30 and 35,277.63 is: 48,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,571.92 : 87,729.30 = 35,277.63 : x
  2. Step 2: Convert to fraction form
    63,571.92/87,729.30 = 35,277.63/x
  3. Step 3: Cross multiply
    63,571.92x = 87,729.30 × 35,277.63
  4. Step 4: Simplify right side
    63,571.92x = 3,094,881,785.56
  5. Step 5: Solve for x
    x = 3,094,881,785.56/63,571.92
  6. Step 6: Final answer
    x = 48,683.16

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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.