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Finding the Fourth Proportional to 36,719.31, 50,672.65 and 19,952.31

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Solution

The fourth proportional to 36,719.31, 50,672.65 and 19,952.31 is: 27,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.31 : 50,672.65 = 19,952.31 : x
  2. Step 2: Convert to fraction form
    36,719.31/50,672.65 = 19,952.31/x
  3. Step 3: Cross multiply
    36,719.31x = 50,672.65 × 19,952.31
  4. Step 4: Simplify right side
    36,719.31x = 1,011,036,421.32
  5. Step 5: Solve for x
    x = 1,011,036,421.32/36,719.31
  6. Step 6: Final answer
    x = 27,534.19

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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.