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Finding the Fourth Proportional to 17,579.58, 26,354.79 and 6,484.20

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Solution

The fourth proportional to 17,579.58, 26,354.79 and 6,484.20 is: 9,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.58 : 26,354.79 = 6,484.20 : x
  2. Step 2: Convert to fraction form
    17,579.58/26,354.79 = 6,484.20/x
  3. Step 3: Cross multiply
    17,579.58x = 26,354.79 × 6,484.20
  4. Step 4: Simplify right side
    17,579.58x = 170,889,729.32
  5. Step 5: Solve for x
    x = 170,889,729.32/17,579.58
  6. Step 6: Final answer
    x = 9,720.92

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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.