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Finding the Fourth Proportional to 44,661.92, 66,969.84 and 18,361.76

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Solution

The fourth proportional to 44,661.92, 66,969.84 and 18,361.76 is: 27,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,661.92 : 66,969.84 = 18,361.76 : x
  2. Step 2: Convert to fraction form
    44,661.92/66,969.84 = 18,361.76/x
  3. Step 3: Cross multiply
    44,661.92x = 66,969.84 × 18,361.76
  4. Step 4: Simplify right side
    44,661.92x = 1,229,684,129.32
  5. Step 5: Solve for x
    x = 1,229,684,129.32/44,661.92
  6. Step 6: Final answer
    x = 27,533.17

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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.