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Finding the Fourth Proportional to 35,311.60, 52,918.80 and 23,431.60

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Solution

The fourth proportional to 35,311.60, 52,918.80 and 23,431.60 is: 35,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.60 : 52,918.80 = 23,431.60 : x
  2. Step 2: Convert to fraction form
    35,311.60/52,918.80 = 23,431.60/x
  3. Step 3: Cross multiply
    35,311.60x = 52,918.80 × 23,431.60
  4. Step 4: Simplify right side
    35,311.60x = 1,239,972,154.08
  5. Step 5: Solve for x
    x = 1,239,972,154.08/35,311.60
  6. Step 6: Final answer
    x = 35,115.15

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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.