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Finding the Fourth Proportional to 9,245.34, 13,876.92 and 8,745.84

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Solution

The fourth proportional to 9,245.34, 13,876.92 and 8,745.84 is: 13,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.34 : 13,876.92 = 8,745.84 : x
  2. Step 2: Convert to fraction form
    9,245.34/13,876.92 = 8,745.84/x
  3. Step 3: Cross multiply
    9,245.34x = 13,876.92 × 8,745.84
  4. Step 4: Simplify right side
    9,245.34x = 121,365,322.01
  5. Step 5: Solve for x
    x = 121,365,322.01/9,245.34
  6. Step 6: Final answer
    x = 13,127.19

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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.