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Finding the Fourth Proportional to 7,873.77, 10,866.27 and 4,516.56

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Solution

The fourth proportional to 7,873.77, 10,866.27 and 4,516.56 is: 6,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.77 : 10,866.27 = 4,516.56 : x
  2. Step 2: Convert to fraction form
    7,873.77/10,866.27 = 4,516.56/x
  3. Step 3: Cross multiply
    7,873.77x = 10,866.27 × 4,516.56
  4. Step 4: Simplify right side
    7,873.77x = 49,078,160.43
  5. Step 5: Solve for x
    x = 49,078,160.43/7,873.77
  6. Step 6: Final answer
    x = 6,233.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.