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Finding the Fourth Proportional to 55,490.94, 83,416.86 and 44,517.69

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Solution

The fourth proportional to 55,490.94, 83,416.86 and 44,517.69 is: 66,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.94 : 83,416.86 = 44,517.69 : x
  2. Step 2: Convert to fraction form
    55,490.94/83,416.86 = 44,517.69/x
  3. Step 3: Cross multiply
    55,490.94x = 83,416.86 × 44,517.69
  4. Step 4: Simplify right side
    55,490.94x = 3,713,525,914.25
  5. Step 5: Solve for x
    x = 3,713,525,914.25/55,490.94
  6. Step 6: Final answer
    x = 66,921.30

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1.5x scale

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.