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Finding the Fourth Proportional to 17,100.48, 25,650.72 and 4,788.48

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Solution

The fourth proportional to 17,100.48, 25,650.72 and 4,788.48 is: 7,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.48 : 25,650.72 = 4,788.48 : x
  2. Step 2: Convert to fraction form
    17,100.48/25,650.72 = 4,788.48/x
  3. Step 3: Cross multiply
    17,100.48x = 25,650.72 × 4,788.48
  4. Step 4: Simplify right side
    17,100.48x = 122,827,959.71
  5. Step 5: Solve for x
    x = 122,827,959.71/17,100.48
  6. Step 6: Final answer
    x = 7,182.72

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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.