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Finding the Fourth Proportional to 7,507.58, 11,260.62 and 3,343.76

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Solution

The fourth proportional to 7,507.58, 11,260.62 and 3,343.76 is: 5,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.58 : 11,260.62 = 3,343.76 : x
  2. Step 2: Convert to fraction form
    7,507.58/11,260.62 = 3,343.76/x
  3. Step 3: Cross multiply
    7,507.58x = 11,260.62 × 3,343.76
  4. Step 4: Simplify right side
    7,507.58x = 37,652,810.73
  5. Step 5: Solve for x
    x = 37,652,810.73/7,507.58
  6. Step 6: Final answer
    x = 5,015.31

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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.