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Finding the Fourth Proportional to 9,960.03, 14,929.09 and 8,792.89

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Solution

The fourth proportional to 9,960.03, 14,929.09 and 8,792.89 is: 13,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.03 : 14,929.09 = 8,792.89 : x
  2. Step 2: Convert to fraction form
    9,960.03/14,929.09 = 8,792.89/x
  3. Step 3: Cross multiply
    9,960.03x = 14,929.09 × 8,792.89
  4. Step 4: Simplify right side
    9,960.03x = 131,269,932.20
  5. Step 5: Solve for x
    x = 131,269,932.20/9,960.03
  6. Step 6: Final answer
    x = 13,179.67

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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.