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Finding the Fourth Proportional to 17,009.88, 25,516.26 and 4,697.88

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Solution

The fourth proportional to 17,009.88, 25,516.26 and 4,697.88 is: 7,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.88 : 25,516.26 = 4,697.88 : x
  2. Step 2: Convert to fraction form
    17,009.88/25,516.26 = 4,697.88/x
  3. Step 3: Cross multiply
    17,009.88x = 25,516.26 × 4,697.88
  4. Step 4: Simplify right side
    17,009.88x = 119,872,327.53
  5. Step 5: Solve for x
    x = 119,872,327.53/17,009.88
  6. Step 6: Final answer
    x = 7,047.22

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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.