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Finding the Fourth Proportional to 39,653.25, 59,477.09 and 18,597.90

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Solution

The fourth proportional to 39,653.25, 59,477.09 and 18,597.90 is: 27,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.25 : 59,477.09 = 18,597.90 : x
  2. Step 2: Convert to fraction form
    39,653.25/59,477.09 = 18,597.90/x
  3. Step 3: Cross multiply
    39,653.25x = 59,477.09 × 18,597.90
  4. Step 4: Simplify right side
    39,653.25x = 1,106,148,879.12
  5. Step 5: Solve for x
    x = 1,106,148,879.12/39,653.25
  6. Step 6: Final answer
    x = 27,895.54

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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.