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Finding the Fourth Proportional to 39,135.60, 58,703.40 and 23,583.60

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Solution

The fourth proportional to 39,135.60, 58,703.40 and 23,583.60 is: 35,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.60 : 58,703.40 = 23,583.60 : x
  2. Step 2: Convert to fraction form
    39,135.60/58,703.40 = 23,583.60/x
  3. Step 3: Cross multiply
    39,135.60x = 58,703.40 × 23,583.60
  4. Step 4: Simplify right side
    39,135.60x = 1,384,437,504.24
  5. Step 5: Solve for x
    x = 1,384,437,504.24/39,135.60
  6. Step 6: Final answer
    x = 35,375.40

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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.