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Finding the Fourth Proportional to 8,392.82, 12,590.44 and 2,548.67

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Solution

The fourth proportional to 8,392.82, 12,590.44 and 2,548.67 is: 3,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.82 : 12,590.44 = 2,548.67 : x
  2. Step 2: Convert to fraction form
    8,392.82/12,590.44 = 2,548.67/x
  3. Step 3: Cross multiply
    8,392.82x = 12,590.44 × 2,548.67
  4. Step 4: Simplify right side
    8,392.82x = 32,088,807.39
  5. Step 5: Solve for x
    x = 32,088,807.39/8,392.82
  6. Step 6: Final answer
    x = 3,823.37

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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.