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Finding the Fourth Proportional to 7,671.74, 11,507.13 and 2,741.13

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Solution

The fourth proportional to 7,671.74, 11,507.13 and 2,741.13 is: 4,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.74 : 11,507.13 = 2,741.13 : x
  2. Step 2: Convert to fraction form
    7,671.74/11,507.13 = 2,741.13/x
  3. Step 3: Cross multiply
    7,671.74x = 11,507.13 × 2,741.13
  4. Step 4: Simplify right side
    7,671.74x = 31,542,539.26
  5. Step 5: Solve for x
    x = 31,542,539.26/7,671.74
  6. Step 6: Final answer
    x = 4,111.53

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Similar ratio
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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.