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Finding the Fourth Proportional to 9,662.84, 14,491.12 and 3,087.48

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Solution

The fourth proportional to 9,662.84, 14,491.12 and 3,087.48 is: 4,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.84 : 14,491.12 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    9,662.84/14,491.12 = 3,087.48/x
  3. Step 3: Cross multiply
    9,662.84x = 14,491.12 × 3,087.48
  4. Step 4: Simplify right side
    9,662.84x = 44,741,043.18
  5. Step 5: Solve for x
    x = 44,741,043.18/9,662.84
  6. Step 6: Final answer
    x = 4,630.22

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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.