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Finding the Fourth Proportional to 7,260.60, 10,955.73 and 7,017.60

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Solution

The fourth proportional to 7,260.60, 10,955.73 and 7,017.60 is: 10,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.60 : 10,955.73 = 7,017.60 : x
  2. Step 2: Convert to fraction form
    7,260.60/10,955.73 = 7,017.60/x
  3. Step 3: Cross multiply
    7,260.60x = 10,955.73 × 7,017.60
  4. Step 4: Simplify right side
    7,260.60x = 76,882,930.85
  5. Step 5: Solve for x
    x = 76,882,930.85/7,260.60
  6. Step 6: Final answer
    x = 10,589.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.