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Finding the Fourth Proportional to 47,368.80, 71,110.80 and 35,589.60

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Solution

The fourth proportional to 47,368.80, 71,110.80 and 35,589.60 is: 53,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.80 : 71,110.80 = 35,589.60 : x
  2. Step 2: Convert to fraction form
    47,368.80/71,110.80 = 35,589.60/x
  3. Step 3: Cross multiply
    47,368.80x = 71,110.80 × 35,589.60
  4. Step 4: Simplify right side
    47,368.80x = 2,530,804,927.68
  5. Step 5: Solve for x
    x = 2,530,804,927.68/47,368.80
  6. Step 6: Final answer
    x = 53,427.68

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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.