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Finding the Fourth Proportional to 9,960.48, 14,899.68 and 8,850.60

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Solution

The fourth proportional to 9,960.48, 14,899.68 and 8,850.60 is: 13,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.48 : 14,899.68 = 8,850.60 : x
  2. Step 2: Convert to fraction form
    9,960.48/14,899.68 = 8,850.60/x
  3. Step 3: Cross multiply
    9,960.48x = 14,899.68 × 8,850.60
  4. Step 4: Simplify right side
    9,960.48x = 131,871,107.81
  5. Step 5: Solve for x
    x = 131,871,107.81/9,960.48
  6. Step 6: Final answer
    x = 13,239.43

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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.