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Finding the Fourth Proportional to 13,040.08, 17,995.08 and 7,450.96

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Solution

The fourth proportional to 13,040.08, 17,995.08 and 7,450.96 is: 10,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.08 : 17,995.08 = 7,450.96 : x
  2. Step 2: Convert to fraction form
    13,040.08/17,995.08 = 7,450.96/x
  3. Step 3: Cross multiply
    13,040.08x = 17,995.08 × 7,450.96
  4. Step 4: Simplify right side
    13,040.08x = 134,080,621.28
  5. Step 5: Solve for x
    x = 134,080,621.28/13,040.08
  6. Step 6: Final answer
    x = 10,282.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.