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Finding the Fourth Proportional to 63,858.65, 88,121.46 and 35,172.72

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Solution

The fourth proportional to 63,858.65, 88,121.46 and 35,172.72 is: 48,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,858.65 : 88,121.46 = 35,172.72 : x
  2. Step 2: Convert to fraction form
    63,858.65/88,121.46 = 35,172.72/x
  3. Step 3: Cross multiply
    63,858.65x = 88,121.46 × 35,172.72
  4. Step 4: Simplify right side
    63,858.65x = 3,099,471,438.57
  5. Step 5: Solve for x
    x = 3,099,471,438.57/63,858.65
  6. Step 6: Final answer
    x = 48,536.44

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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.