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Finding the Fourth Proportional to 34,757.72, 47,965.48 and 18,842.32

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Solution

The fourth proportional to 34,757.72, 47,965.48 and 18,842.32 is: 26,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.72 : 47,965.48 = 18,842.32 : x
  2. Step 2: Convert to fraction form
    34,757.72/47,965.48 = 18,842.32/x
  3. Step 3: Cross multiply
    34,757.72x = 47,965.48 × 18,842.32
  4. Step 4: Simplify right side
    34,757.72x = 903,780,923.11
  5. Step 5: Solve for x
    x = 903,780,923.11/34,757.72
  6. Step 6: Final answer
    x = 26,002.31

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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.