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Finding the Fourth Proportional to 15,208.77, 22,796.11 and 9,953.89

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Solution

The fourth proportional to 15,208.77, 22,796.11 and 9,953.89 is: 14,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.77 : 22,796.11 = 9,953.89 : x
  2. Step 2: Convert to fraction form
    15,208.77/22,796.11 = 9,953.89/x
  3. Step 3: Cross multiply
    15,208.77x = 22,796.11 × 9,953.89
  4. Step 4: Simplify right side
    15,208.77x = 226,909,971.37
  5. Step 5: Solve for x
    x = 226,909,971.37/15,208.77
  6. Step 6: Final answer
    x = 14,919.68

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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.