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Finding the Fourth Proportional to 17,228.42, 25,848.76 and 8,469.48

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Solution

The fourth proportional to 17,228.42, 25,848.76 and 8,469.48 is: 12,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.42 : 25,848.76 = 8,469.48 : x
  2. Step 2: Convert to fraction form
    17,228.42/25,848.76 = 8,469.48/x
  3. Step 3: Cross multiply
    17,228.42x = 25,848.76 × 8,469.48
  4. Step 4: Simplify right side
    17,228.42x = 218,925,555.84
  5. Step 5: Solve for x
    x = 218,925,555.84/17,228.42
  6. Step 6: Final answer
    x = 12,707.23

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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.