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Finding the Fourth Proportional to 7,352.25, 10,146.11 and 4,040.25

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Solution

The fourth proportional to 7,352.25, 10,146.11 and 4,040.25 is: 5,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.25 : 10,146.11 = 4,040.25 : x
  2. Step 2: Convert to fraction form
    7,352.25/10,146.11 = 4,040.25/x
  3. Step 3: Cross multiply
    7,352.25x = 10,146.11 × 4,040.25
  4. Step 4: Simplify right side
    7,352.25x = 40,992,800.73
  5. Step 5: Solve for x
    x = 40,992,800.73/7,352.25
  6. Step 6: Final answer
    x = 5,575.55

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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.