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Finding the Fourth Proportional to 60,405.95, 83,361.32 and 33,550.95

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Solution

The fourth proportional to 60,405.95, 83,361.32 and 33,550.95 is: 46,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,405.95 : 83,361.32 = 33,550.95 : x
  2. Step 2: Convert to fraction form
    60,405.95/83,361.32 = 33,550.95/x
  3. Step 3: Cross multiply
    60,405.95x = 83,361.32 × 33,550.95
  4. Step 4: Simplify right side
    60,405.95x = 2,796,851,311.50
  5. Step 5: Solve for x
    x = 2,796,851,311.50/60,405.95
  6. Step 6: Final answer
    x = 46,300.93

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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.