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Finding the Fourth Proportional to 30,977.44, 46,467.07 and 7,603.88

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Solution

The fourth proportional to 30,977.44, 46,467.07 and 7,603.88 is: 11,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.44 : 46,467.07 = 7,603.88 : x
  2. Step 2: Convert to fraction form
    30,977.44/46,467.07 = 7,603.88/x
  3. Step 3: Cross multiply
    30,977.44x = 46,467.07 × 7,603.88
  4. Step 4: Simplify right side
    30,977.44x = 353,329,772.89
  5. Step 5: Solve for x
    x = 353,329,772.89/30,977.44
  6. Step 6: Final answer
    x = 11,406.04

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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.