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Finding the Fourth Proportional to 2,322.74, 3,481.98 and 1,005.66

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Solution

The fourth proportional to 2,322.74, 3,481.98 and 1,005.66 is: 1,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.74 : 3,481.98 = 1,005.66 : x
  2. Step 2: Convert to fraction form
    2,322.74/3,481.98 = 1,005.66/x
  3. Step 3: Cross multiply
    2,322.74x = 3,481.98 × 1,005.66
  4. Step 4: Simplify right side
    2,322.74x = 3,501,697.29
  5. Step 5: Solve for x
    x = 3,501,697.29/2,322.74
  6. Step 6: Final answer
    x = 1,507.57

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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.