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Finding the Fourth Proportional to 62,941.11, 86,859.33 and 34,647

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Solution

The fourth proportional to 62,941.11, 86,859.33 and 34,647 is: 47,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,941.11 : 86,859.33 = 34,647 : x
  2. Step 2: Convert to fraction form
    62,941.11/86,859.33 = 34,647/x
  3. Step 3: Cross multiply
    62,941.11x = 86,859.33 × 34,647
  4. Step 4: Simplify right side
    62,941.11x = 3,009,415,206.51
  5. Step 5: Solve for x
    x = 3,009,415,206.51/62,941.11
  6. Step 6: Final answer
    x = 47,813.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.