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Finding the Fourth Proportional to 23,221.08, 34,835.94 and 7,639.32

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Solution

The fourth proportional to 23,221.08, 34,835.94 and 7,639.32 is: 11,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.08 : 34,835.94 = 7,639.32 : x
  2. Step 2: Convert to fraction form
    23,221.08/34,835.94 = 7,639.32/x
  3. Step 3: Cross multiply
    23,221.08x = 34,835.94 × 7,639.32
  4. Step 4: Simplify right side
    23,221.08x = 266,122,893.16
  5. Step 5: Solve for x
    x = 266,122,893.16/23,221.08
  6. Step 6: Final answer
    x = 11,460.40

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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.