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Finding the Fourth Proportional to 17,218.63, 25,819.38 and 6,123.64

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Solution

The fourth proportional to 17,218.63, 25,819.38 and 6,123.64 is: 9,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.63 : 25,819.38 = 6,123.64 : x
  2. Step 2: Convert to fraction form
    17,218.63/25,819.38 = 6,123.64/x
  3. Step 3: Cross multiply
    17,218.63x = 25,819.38 × 6,123.64
  4. Step 4: Simplify right side
    17,218.63x = 158,108,588.14
  5. Step 5: Solve for x
    x = 158,108,588.14/17,218.63
  6. Step 6: Final answer
    x = 9,182.41

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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.