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Finding the Fourth Proportional to 43,458.05, 60,928.75 and 43,458.05

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Solution

The fourth proportional to 43,458.05, 60,928.75 and 43,458.05 is: 60,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,458.05 : 60,928.75 = 43,458.05 : x
  2. Step 2: Convert to fraction form
    43,458.05/60,928.75 = 43,458.05/x
  3. Step 3: Cross multiply
    43,458.05x = 60,928.75 × 43,458.05
  4. Step 4: Simplify right side
    43,458.05x = 2,647,844,663.94
  5. Step 5: Solve for x
    x = 2,647,844,663.94/43,458.05
  6. Step 6: Final answer
    x = 60,928.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.