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Finding the Fourth Proportional to 25,355.34, 38,002.86 and 11,828.34

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Solution

The fourth proportional to 25,355.34, 38,002.86 and 11,828.34 is: 17,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.34 : 38,002.86 = 11,828.34 : x
  2. Step 2: Convert to fraction form
    25,355.34/38,002.86 = 11,828.34/x
  3. Step 3: Cross multiply
    25,355.34x = 38,002.86 × 11,828.34
  4. Step 4: Simplify right side
    25,355.34x = 449,510,749.05
  5. Step 5: Solve for x
    x = 449,510,749.05/25,355.34
  6. Step 6: Final answer
    x = 17,728.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.