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Finding the Fourth Proportional to 17,046.12, 25,579.08 and 7,184.76

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Solution

The fourth proportional to 17,046.12, 25,579.08 and 7,184.76 is: 10,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,046.12 : 25,579.08 = 7,184.76 : x
  2. Step 2: Convert to fraction form
    17,046.12/25,579.08 = 7,184.76/x
  3. Step 3: Cross multiply
    17,046.12x = 25,579.08 × 7,184.76
  4. Step 4: Simplify right side
    17,046.12x = 183,779,550.82
  5. Step 5: Solve for x
    x = 183,779,550.82/17,046.12
  6. Step 6: Final answer
    x = 10,781.31

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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.