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Finding the Fourth Proportional to 17,032.65, 25,553.06 and 5,345.87

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Solution

The fourth proportional to 17,032.65, 25,553.06 and 5,345.87 is: 8,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,032.65 : 25,553.06 = 5,345.87 : x
  2. Step 2: Convert to fraction form
    17,032.65/25,553.06 = 5,345.87/x
  3. Step 3: Cross multiply
    17,032.65x = 25,553.06 × 5,345.87
  4. Step 4: Simplify right side
    17,032.65x = 136,603,202.41
  5. Step 5: Solve for x
    x = 136,603,202.41/17,032.65
  6. Step 6: Final answer
    x = 8,020.08

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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.