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Finding the Fourth Proportional to 50,886, 70,227.04 and 28,534.32

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Solution

The fourth proportional to 50,886, 70,227.04 and 28,534.32 is: 39,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,886 : 70,227.04 = 28,534.32 : x
  2. Step 2: Convert to fraction form
    50,886/70,227.04 = 28,534.32/x
  3. Step 3: Cross multiply
    50,886x = 70,227.04 × 28,534.32
  4. Step 4: Simplify right side
    50,886x = 2,003,880,832.01
  5. Step 5: Solve for x
    x = 2,003,880,832.01/50,886
  6. Step 6: Final answer
    x = 39,379.81

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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.