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Finding the Fourth Proportional to 15,957.51, 23,900.62 and 11,564.88

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Solution

The fourth proportional to 15,957.51, 23,900.62 and 11,564.88 is: 17,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.51 : 23,900.62 = 11,564.88 : x
  2. Step 2: Convert to fraction form
    15,957.51/23,900.62 = 11,564.88/x
  3. Step 3: Cross multiply
    15,957.51x = 23,900.62 × 11,564.88
  4. Step 4: Simplify right side
    15,957.51x = 276,407,624.90
  5. Step 5: Solve for x
    x = 276,407,624.90/15,957.51
  6. Step 6: Final answer
    x = 17,321.48

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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.