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Finding the Fourth Proportional to 53,001, 79,508.84 and 15,555.83

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Solution

The fourth proportional to 53,001, 79,508.84 and 15,555.83 is: 23,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001 : 79,508.84 = 15,555.83 : x
  2. Step 2: Convert to fraction form
    53,001/79,508.84 = 15,555.83/x
  3. Step 3: Cross multiply
    53,001x = 79,508.84 × 15,555.83
  4. Step 4: Simplify right side
    53,001x = 1,236,825,523.21
  5. Step 5: Solve for x
    x = 1,236,825,523.21/53,001
  6. Step 6: Final answer
    x = 23,335.89

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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.