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Finding the Fourth Proportional to 7,290.70, 10,935.96 and 2,360.22

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Solution

The fourth proportional to 7,290.70, 10,935.96 and 2,360.22 is: 3,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.70 : 10,935.96 = 2,360.22 : x
  2. Step 2: Convert to fraction form
    7,290.70/10,935.96 = 2,360.22/x
  3. Step 3: Cross multiply
    7,290.70x = 10,935.96 × 2,360.22
  4. Step 4: Simplify right side
    7,290.70x = 25,811,271.51
  5. Step 5: Solve for x
    x = 25,811,271.51/7,290.70
  6. Step 6: Final answer
    x = 3,540.30

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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.