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Finding the Fourth Proportional to 36,693.70, 50,624.25 and 20,774.74

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Solution

The fourth proportional to 36,693.70, 50,624.25 and 20,774.74 is: 28,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.70 : 50,624.25 = 20,774.74 : x
  2. Step 2: Convert to fraction form
    36,693.70/50,624.25 = 20,774.74/x
  3. Step 3: Cross multiply
    36,693.70x = 50,624.25 × 20,774.74
  4. Step 4: Simplify right side
    36,693.70x = 1,051,705,631.45
  5. Step 5: Solve for x
    x = 1,051,705,631.45/36,693.70
  6. Step 6: Final answer
    x = 28,661.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.