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Finding the Fourth Proportional to 90,452.81, 135,685.74 and 23,892.08

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Solution

The fourth proportional to 90,452.81, 135,685.74 and 23,892.08 is: 35,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.81 : 135,685.74 = 23,892.08 : x
  2. Step 2: Convert to fraction form
    90,452.81/135,685.74 = 23,892.08/x
  3. Step 3: Cross multiply
    90,452.81x = 135,685.74 × 23,892.08
  4. Step 4: Simplify right side
    90,452.81x = 3,241,813,876.51
  5. Step 5: Solve for x
    x = 3,241,813,876.51/90,452.81
  6. Step 6: Final answer
    x = 35,839.84

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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.