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Finding the Fourth Proportional to 74,592, 111,796.80 and 35,096.64

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Solution

The fourth proportional to 74,592, 111,796.80 and 35,096.64 is: 52,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592 : 111,796.80 = 35,096.64 : x
  2. Step 2: Convert to fraction form
    74,592/111,796.80 = 35,096.64/x
  3. Step 3: Cross multiply
    74,592x = 111,796.80 × 35,096.64
  4. Step 4: Simplify right side
    74,592x = 3,923,692,042.75
  5. Step 5: Solve for x
    x = 3,923,692,042.75/74,592
  6. Step 6: Final answer
    x = 52,602.05

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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.