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Finding the Fourth Proportional to 36,705.29, 50,653.35 and 19,938.29

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Solution

The fourth proportional to 36,705.29, 50,653.35 and 19,938.29 is: 27,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.29 : 50,653.35 = 19,938.29 : x
  2. Step 2: Convert to fraction form
    36,705.29/50,653.35 = 19,938.29/x
  3. Step 3: Cross multiply
    36,705.29x = 50,653.35 × 19,938.29
  4. Step 4: Simplify right side
    36,705.29x = 1,009,940,928.50
  5. Step 5: Solve for x
    x = 1,009,940,928.50/36,705.29
  6. Step 6: Final answer
    x = 27,514.86

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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.