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Finding the Fourth Proportional to 17,865.48, 26,804.72 and 6,179.88

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Solution

The fourth proportional to 17,865.48, 26,804.72 and 6,179.88 is: 9,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.48 : 26,804.72 = 6,179.88 : x
  2. Step 2: Convert to fraction form
    17,865.48/26,804.72 = 6,179.88/x
  3. Step 3: Cross multiply
    17,865.48x = 26,804.72 × 6,179.88
  4. Step 4: Simplify right side
    17,865.48x = 165,649,953.03
  5. Step 5: Solve for x
    x = 165,649,953.03/17,865.48
  6. Step 6: Final answer
    x = 9,272.07

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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.