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Finding the Fourth Proportional to 51,152.34, 70,600.04 and 28,796.34

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Solution

The fourth proportional to 51,152.34, 70,600.04 and 28,796.34 is: 39,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.34 : 70,600.04 = 28,796.34 : x
  2. Step 2: Convert to fraction form
    51,152.34/70,600.04 = 28,796.34/x
  3. Step 3: Cross multiply
    51,152.34x = 70,600.04 × 28,796.34
  4. Step 4: Simplify right side
    51,152.34x = 2,033,022,984.61
  5. Step 5: Solve for x
    x = 2,033,022,984.61/51,152.34
  6. Step 6: Final answer
    x = 39,744.47

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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.