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Finding the Fourth Proportional to 8,493.65, 11,721.99 and 4,958.00

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Solution

The fourth proportional to 8,493.65, 11,721.99 and 4,958.00 is: 6,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.65 : 11,721.99 = 4,958.00 : x
  2. Step 2: Convert to fraction form
    8,493.65/11,721.99 = 4,958.00/x
  3. Step 3: Cross multiply
    8,493.65x = 11,721.99 × 4,958.00
  4. Step 4: Simplify right side
    8,493.65x = 58,117,567.81
  5. Step 5: Solve for x
    x = 58,117,567.81/8,493.65
  6. Step 6: Final answer
    x = 6,842.48

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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.