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Finding the Fourth Proportional to 9,485.96, 14,229 and 3,646.64

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Solution

The fourth proportional to 9,485.96, 14,229 and 3,646.64 is: 5,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.96 : 14,229 = 3,646.64 : x
  2. Step 2: Convert to fraction form
    9,485.96/14,229 = 3,646.64/x
  3. Step 3: Cross multiply
    9,485.96x = 14,229 × 3,646.64
  4. Step 4: Simplify right side
    9,485.96x = 51,888,040.56
  5. Step 5: Solve for x
    x = 51,888,040.56/9,485.96
  6. Step 6: Final answer
    x = 5,469.98

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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.