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Finding the Fourth Proportional to 9,676.36, 14,492.60 and 7,926.76

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Solution

The fourth proportional to 9,676.36, 14,492.60 and 7,926.76 is: 11,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.36 : 14,492.60 = 7,926.76 : x
  2. Step 2: Convert to fraction form
    9,676.36/14,492.60 = 7,926.76/x
  3. Step 3: Cross multiply
    9,676.36x = 14,492.60 × 7,926.76
  4. Step 4: Simplify right side
    9,676.36x = 114,879,361.98
  5. Step 5: Solve for x
    x = 114,879,361.98/9,676.36
  6. Step 6: Final answer
    x = 11,872.17

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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.