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Finding the Fourth Proportional to 28,997,027.31, 39,978,750.98 and 23,750,708.34

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Solution

The fourth proportional to 28,997,027.31, 39,978,750.98 and 23,750,708.34 is: 32,745,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997,027.31 : 39,978,750.98 = 23,750,708.34 : x
  2. Step 2: Convert to fraction form
    28,997,027.31/39,978,750.98 = 23,750,708.34/x
  3. Step 3: Cross multiply
    28,997,027.31x = 39,978,750.98 × 23,750,708.34
  4. Step 4: Simplify right side
    28,997,027.31x = 949,523,654,323,469.12
  5. Step 5: Solve for x
    x = 949,523,654,323,469.12/28,997,027.31
  6. Step 6: Final answer
    x = 32,745,551.61

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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.