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Finding the Fourth Proportional to 17,253.81, 25,865.73 and 8,929.44

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Solution

The fourth proportional to 17,253.81, 25,865.73 and 8,929.44 is: 13,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.81 : 25,865.73 = 8,929.44 : x
  2. Step 2: Convert to fraction form
    17,253.81/25,865.73 = 8,929.44/x
  3. Step 3: Cross multiply
    17,253.81x = 25,865.73 × 8,929.44
  4. Step 4: Simplify right side
    17,253.81x = 230,966,484.09
  5. Step 5: Solve for x
    x = 230,966,484.09/17,253.81
  6. Step 6: Final answer
    x = 13,386.40

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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.