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Finding the Fourth Proportional to 47,649.84, 65,759.50 and 28,793.04

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Solution

The fourth proportional to 47,649.84, 65,759.50 and 28,793.04 is: 39,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.84 : 65,759.50 = 28,793.04 : x
  2. Step 2: Convert to fraction form
    47,649.84/65,759.50 = 28,793.04/x
  3. Step 3: Cross multiply
    47,649.84x = 65,759.50 × 28,793.04
  4. Step 4: Simplify right side
    47,649.84x = 1,893,415,541.31
  5. Step 5: Solve for x
    x = 1,893,415,541.31/47,649.84
  6. Step 6: Final answer
    x = 39,736.03

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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.