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Finding the Fourth Proportional to 8,597.54, 12,911.42 and 8,474.42

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Solution

The fourth proportional to 8,597.54, 12,911.42 and 8,474.42 is: 12,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.54 : 12,911.42 = 8,474.42 : x
  2. Step 2: Convert to fraction form
    8,597.54/12,911.42 = 8,474.42/x
  3. Step 3: Cross multiply
    8,597.54x = 12,911.42 × 8,474.42
  4. Step 4: Simplify right side
    8,597.54x = 109,416,752.51
  5. Step 5: Solve for x
    x = 109,416,752.51/8,597.54
  6. Step 6: Final answer
    x = 12,726.53

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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.