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Finding the Fourth Proportional to 11,641.76, 17,462.16 and 2,876.46

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Solution

The fourth proportional to 11,641.76, 17,462.16 and 2,876.46 is: 4,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.76 : 17,462.16 = 2,876.46 : x
  2. Step 2: Convert to fraction form
    11,641.76/17,462.16 = 2,876.46/x
  3. Step 3: Cross multiply
    11,641.76x = 17,462.16 × 2,876.46
  4. Step 4: Simplify right side
    11,641.76x = 50,229,204.75
  5. Step 5: Solve for x
    x = 50,229,204.75/11,641.76
  6. Step 6: Final answer
    x = 4,314.57

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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.