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Finding the Fourth Proportional to 50,985.32, 70,360.62 and 29,765.48

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Solution

The fourth proportional to 50,985.32, 70,360.62 and 29,765.48 is: 41,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.32 : 70,360.62 = 29,765.48 : x
  2. Step 2: Convert to fraction form
    50,985.32/70,360.62 = 29,765.48/x
  3. Step 3: Cross multiply
    50,985.32x = 70,360.62 × 29,765.48
  4. Step 4: Simplify right side
    50,985.32x = 2,094,317,627.40
  5. Step 5: Solve for x
    x = 2,094,317,627.40/50,985.32
  6. Step 6: Final answer
    x = 41,076.88

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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.