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Finding the Fourth Proportional to 36,705.40, 50,653.02 and 19,938.40

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Solution

The fourth proportional to 36,705.40, 50,653.02 and 19,938.40 is: 27,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.40 : 50,653.02 = 19,938.40 : x
  2. Step 2: Convert to fraction form
    36,705.40/50,653.02 = 19,938.40/x
  3. Step 3: Cross multiply
    36,705.40x = 50,653.02 × 19,938.40
  4. Step 4: Simplify right side
    36,705.40x = 1,009,940,173.97
  5. Step 5: Solve for x
    x = 1,009,940,173.97/36,705.40
  6. Step 6: Final answer
    x = 27,514.76

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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.