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Finding the Fourth Proportional to 52,941.60, 79,441.56 and 35,445.60

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Solution

The fourth proportional to 52,941.60, 79,441.56 and 35,445.60 is: 53,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,941.60 : 79,441.56 = 35,445.60 : x
  2. Step 2: Convert to fraction form
    52,941.60/79,441.56 = 35,445.60/x
  3. Step 3: Cross multiply
    52,941.60x = 79,441.56 × 35,445.60
  4. Step 4: Simplify right side
    52,941.60x = 2,815,853,759.14
  5. Step 5: Solve for x
    x = 2,815,853,759.14/52,941.60
  6. Step 6: Final answer
    x = 53,187.92

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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.