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Finding the Fourth Proportional to 17,659.76, 26,489.24 and 8,892.32

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Solution

The fourth proportional to 17,659.76, 26,489.24 and 8,892.32 is: 13,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.76 : 26,489.24 = 8,892.32 : x
  2. Step 2: Convert to fraction form
    17,659.76/26,489.24 = 8,892.32/x
  3. Step 3: Cross multiply
    17,659.76x = 26,489.24 × 8,892.32
  4. Step 4: Simplify right side
    17,659.76x = 235,550,798.64
  5. Step 5: Solve for x
    x = 235,550,798.64/17,659.76
  6. Step 6: Final answer
    x = 13,338.28

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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.