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Finding the Fourth Proportional to 45,361.84, 68,027.62 and 19,061.68

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Solution

The fourth proportional to 45,361.84, 68,027.62 and 19,061.68 is: 28,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.84 : 68,027.62 = 19,061.68 : x
  2. Step 2: Convert to fraction form
    45,361.84/68,027.62 = 19,061.68/x
  3. Step 3: Cross multiply
    45,361.84x = 68,027.62 × 19,061.68
  4. Step 4: Simplify right side
    45,361.84x = 1,296,720,723.60
  5. Step 5: Solve for x
    x = 1,296,720,723.60/45,361.84
  6. Step 6: Final answer
    x = 28,586.16

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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.