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Finding the Fourth Proportional to 9,450.66, 14,176.66 and 2,876.80

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Solution

The fourth proportional to 9,450.66, 14,176.66 and 2,876.80 is: 4,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.66 : 14,176.66 = 2,876.80 : x
  2. Step 2: Convert to fraction form
    9,450.66/14,176.66 = 2,876.80/x
  3. Step 3: Cross multiply
    9,450.66x = 14,176.66 × 2,876.80
  4. Step 4: Simplify right side
    9,450.66x = 40,783,415.49
  5. Step 5: Solve for x
    x = 40,783,415.49/9,450.66
  6. Step 6: Final answer
    x = 4,315.40

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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.