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Finding the Fourth Proportional to 34,041.88, 46,977.79 and 19,137.88

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Solution

The fourth proportional to 34,041.88, 46,977.79 and 19,137.88 is: 26,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,041.88 : 46,977.79 = 19,137.88 : x
  2. Step 2: Convert to fraction form
    34,041.88/46,977.79 = 19,137.88/x
  3. Step 3: Cross multiply
    34,041.88x = 46,977.79 × 19,137.88
  4. Step 4: Simplify right side
    34,041.88x = 899,055,072.80
  5. Step 5: Solve for x
    x = 899,055,072.80/34,041.88
  6. Step 6: Final answer
    x = 26,410.27

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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.