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Finding the Fourth Proportional to 8,794.69, 13,191.64 and 2,554.58

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Solution

The fourth proportional to 8,794.69, 13,191.64 and 2,554.58 is: 3,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.69 : 13,191.64 = 2,554.58 : x
  2. Step 2: Convert to fraction form
    8,794.69/13,191.64 = 2,554.58/x
  3. Step 3: Cross multiply
    8,794.69x = 13,191.64 × 2,554.58
  4. Step 4: Simplify right side
    8,794.69x = 33,699,099.71
  5. Step 5: Solve for x
    x = 33,699,099.71/8,794.69
  6. Step 6: Final answer
    x = 3,831.76

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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.