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Finding the Fourth Proportional to 8,466.96, 12,698.52 and 2,994.96

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Solution

The fourth proportional to 8,466.96, 12,698.52 and 2,994.96 is: 4,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.96 : 12,698.52 = 2,994.96 : x
  2. Step 2: Convert to fraction form
    8,466.96/12,698.52 = 2,994.96/x
  3. Step 3: Cross multiply
    8,466.96x = 12,698.52 × 2,994.96
  4. Step 4: Simplify right side
    8,466.96x = 38,031,559.46
  5. Step 5: Solve for x
    x = 38,031,559.46/8,466.96
  6. Step 6: Final answer
    x = 4,491.76

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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.