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Finding the Fourth Proportional to 72,622.04, 108,838.88 and 32,611.48

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Solution

The fourth proportional to 72,622.04, 108,838.88 and 32,611.48 is: 48,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,622.04 : 108,838.88 = 32,611.48 : x
  2. Step 2: Convert to fraction form
    72,622.04/108,838.88 = 32,611.48/x
  3. Step 3: Cross multiply
    72,622.04x = 108,838.88 × 32,611.48
  4. Step 4: Simplify right side
    72,622.04x = 3,549,396,958.34
  5. Step 5: Solve for x
    x = 3,549,396,958.34/72,622.04
  6. Step 6: Final answer
    x = 48,874.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.