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Finding the Fourth Proportional to 39,062.49, 58,545 and 19,055.49

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Solution

The fourth proportional to 39,062.49, 58,545 and 19,055.49 is: 28,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.49 : 58,545 = 19,055.49 : x
  2. Step 2: Convert to fraction form
    39,062.49/58,545 = 19,055.49/x
  3. Step 3: Cross multiply
    39,062.49x = 58,545 × 19,055.49
  4. Step 4: Simplify right side
    39,062.49x = 1,115,603,662.05
  5. Step 5: Solve for x
    x = 1,115,603,662.05/39,062.49
  6. Step 6: Final answer
    x = 28,559.46

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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.