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Finding the Fourth Proportional to 9,963, 14,945.58 and 3,389.67

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Solution

The fourth proportional to 9,963, 14,945.58 and 3,389.67 is: 5,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963 : 14,945.58 = 3,389.67 : x
  2. Step 2: Convert to fraction form
    9,963/14,945.58 = 3,389.67/x
  3. Step 3: Cross multiply
    9,963x = 14,945.58 × 3,389.67
  4. Step 4: Simplify right side
    9,963x = 50,660,584.16
  5. Step 5: Solve for x
    x = 50,660,584.16/9,963
  6. Step 6: Final answer
    x = 5,084.87

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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.