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Finding the Fourth Proportional to 36,762.31, 50,723.14 and 21,653.78

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Solution

The fourth proportional to 36,762.31, 50,723.14 and 21,653.78 is: 29,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762.31 : 50,723.14 = 21,653.78 : x
  2. Step 2: Convert to fraction form
    36,762.31/50,723.14 = 21,653.78/x
  3. Step 3: Cross multiply
    36,762.31x = 50,723.14 × 21,653.78
  4. Step 4: Simplify right side
    36,762.31x = 1,098,347,606.20
  5. Step 5: Solve for x
    x = 1,098,347,606.20/36,762.31
  6. Step 6: Final answer
    x = 29,877.01

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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.