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Finding the Fourth Proportional to 17,073, 25,621.07 and 5,979.78

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Solution

The fourth proportional to 17,073, 25,621.07 and 5,979.78 is: 8,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073 : 25,621.07 = 5,979.78 : x
  2. Step 2: Convert to fraction form
    17,073/25,621.07 = 5,979.78/x
  3. Step 3: Cross multiply
    17,073x = 25,621.07 × 5,979.78
  4. Step 4: Simplify right side
    17,073x = 153,208,332.07
  5. Step 5: Solve for x
    x = 153,208,332.07/17,073
  6. Step 6: Final answer
    x = 8,973.72

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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.