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Finding the Fourth Proportional to 7,375.81, 11,064.54 and 2,445.07

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Solution

The fourth proportional to 7,375.81, 11,064.54 and 2,445.07 is: 3,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.81 : 11,064.54 = 2,445.07 : x
  2. Step 2: Convert to fraction form
    7,375.81/11,064.54 = 2,445.07/x
  3. Step 3: Cross multiply
    7,375.81x = 11,064.54 × 2,445.07
  4. Step 4: Simplify right side
    7,375.81x = 27,053,574.82
  5. Step 5: Solve for x
    x = 27,053,574.82/7,375.81
  6. Step 6: Final answer
    x = 3,667.88

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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.