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Finding the Fourth Proportional to 17,032.08, 25,558 and 7,170.72

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Solution

The fourth proportional to 17,032.08, 25,558 and 7,170.72 is: 10,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,032.08 : 25,558 = 7,170.72 : x
  2. Step 2: Convert to fraction form
    17,032.08/25,558 = 7,170.72/x
  3. Step 3: Cross multiply
    17,032.08x = 25,558 × 7,170.72
  4. Step 4: Simplify right side
    17,032.08x = 183,269,261.76
  5. Step 5: Solve for x
    x = 183,269,261.76/17,032.08
  6. Step 6: Final answer
    x = 10,760.24

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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.