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Finding the Fourth Proportional to 8,597.91, 12,908.82 and 4,440.99

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Solution

The fourth proportional to 8,597.91, 12,908.82 and 4,440.99 is: 6,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.91 : 12,908.82 = 4,440.99 : x
  2. Step 2: Convert to fraction form
    8,597.91/12,908.82 = 4,440.99/x
  3. Step 3: Cross multiply
    8,597.91x = 12,908.82 × 4,440.99
  4. Step 4: Simplify right side
    8,597.91x = 57,327,940.53
  5. Step 5: Solve for x
    x = 57,327,940.53/8,597.91
  6. Step 6: Final answer
    x = 6,667.66

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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.