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Finding the Fourth Proportional to 30,939.95, 46,410.65 and 7,566.59

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Solution

The fourth proportional to 30,939.95, 46,410.65 and 7,566.59 is: 11,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939.95 : 46,410.65 = 7,566.59 : x
  2. Step 2: Convert to fraction form
    30,939.95/46,410.65 = 7,566.59/x
  3. Step 3: Cross multiply
    30,939.95x = 46,410.65 × 7,566.59
  4. Step 4: Simplify right side
    30,939.95x = 351,170,360.18
  5. Step 5: Solve for x
    x = 351,170,360.18/30,939.95
  6. Step 6: Final answer
    x = 11,350.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.