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Finding the Fourth Proportional to 17,279.52, 25,916.04 and 6,185.76

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Solution

The fourth proportional to 17,279.52, 25,916.04 and 6,185.76 is: 9,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.52 : 25,916.04 = 6,185.76 : x
  2. Step 2: Convert to fraction form
    17,279.52/25,916.04 = 6,185.76/x
  3. Step 3: Cross multiply
    17,279.52x = 25,916.04 × 6,185.76
  4. Step 4: Simplify right side
    17,279.52x = 160,310,403.59
  5. Step 5: Solve for x
    x = 160,310,403.59/17,279.52
  6. Step 6: Final answer
    x = 9,277.48

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1.5x scale

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.