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Finding the Fourth Proportional to 50,379.51, 75,566.51 and 15,316.43

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Solution

The fourth proportional to 50,379.51, 75,566.51 and 15,316.43 is: 22,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.51 : 75,566.51 = 15,316.43 : x
  2. Step 2: Convert to fraction form
    50,379.51/75,566.51 = 15,316.43/x
  3. Step 3: Cross multiply
    50,379.51x = 75,566.51 × 15,316.43
  4. Step 4: Simplify right side
    50,379.51x = 1,157,409,160.76
  5. Step 5: Solve for x
    x = 1,157,409,160.76/50,379.51
  6. Step 6: Final answer
    x = 22,973.81

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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.