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Finding the Fourth Proportional to 89,002.68, 133,504.02 and 36,390.75

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Solution

The fourth proportional to 89,002.68, 133,504.02 and 36,390.75 is: 54,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,002.68 : 133,504.02 = 36,390.75 : x
  2. Step 2: Convert to fraction form
    89,002.68/133,504.02 = 36,390.75/x
  3. Step 3: Cross multiply
    89,002.68x = 133,504.02 × 36,390.75
  4. Step 4: Simplify right side
    89,002.68x = 4,858,311,415.82
  5. Step 5: Solve for x
    x = 4,858,311,415.82/89,002.68
  6. Step 6: Final answer
    x = 54,586.13

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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.