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Finding the Fourth Proportional to 45,361.68, 67,954.68 and 25,579.68

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Solution

The fourth proportional to 45,361.68, 67,954.68 and 25,579.68 is: 38,319.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.68 : 67,954.68 = 25,579.68 : x
  2. Step 2: Convert to fraction form
    45,361.68/67,954.68 = 25,579.68/x
  3. Step 3: Cross multiply
    45,361.68x = 67,954.68 × 25,579.68
  4. Step 4: Simplify right side
    45,361.68x = 1,738,258,968.90
  5. Step 5: Solve for x
    x = 1,738,258,968.90/45,361.68
  6. Step 6: Final answer
    x = 38,319.99

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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.