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Finding the Fourth Proportional to 17,228.52, 25,842.80 and 4,916.52

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Solution

The fourth proportional to 17,228.52, 25,842.80 and 4,916.52 is: 7,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,228.52 : 25,842.80 = 4,916.52 : x
  2. Step 2: Convert to fraction form
    17,228.52/25,842.80 = 4,916.52/x
  3. Step 3: Cross multiply
    17,228.52x = 25,842.80 × 4,916.52
  4. Step 4: Simplify right side
    17,228.52x = 127,056,643.06
  5. Step 5: Solve for x
    x = 127,056,643.06/17,228.52
  6. Step 6: Final answer
    x = 7,374.79

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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.