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Finding the Fourth Proportional to 17,159.36, 25,740.06 and 6,631.00

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Solution

The fourth proportional to 17,159.36, 25,740.06 and 6,631.00 is: 9,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.36 : 25,740.06 = 6,631.00 : x
  2. Step 2: Convert to fraction form
    17,159.36/25,740.06 = 6,631.00/x
  3. Step 3: Cross multiply
    17,159.36x = 25,740.06 × 6,631.00
  4. Step 4: Simplify right side
    17,159.36x = 170,682,273.51
  5. Step 5: Solve for x
    x = 170,682,273.51/17,159.36
  6. Step 6: Final answer
    x = 9,946.89

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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.