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Finding the Fourth Proportional to 71,590.66, 107,394.63 and 19,001.14

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Solution

The fourth proportional to 71,590.66, 107,394.63 and 19,001.14 is: 28,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,590.66 : 107,394.63 = 19,001.14 : x
  2. Step 2: Convert to fraction form
    71,590.66/107,394.63 = 19,001.14/x
  3. Step 3: Cross multiply
    71,590.66x = 107,394.63 × 19,001.14
  4. Step 4: Simplify right side
    71,590.66x = 2,040,620,399.88
  5. Step 5: Solve for x
    x = 2,040,620,399.88/71,590.66
  6. Step 6: Final answer
    x = 28,504.00

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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.