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Finding the Fourth Proportional to 17,695.86, 26,525.16 and 8,912.32

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Solution

The fourth proportional to 17,695.86, 26,525.16 and 8,912.32 is: 13,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,695.86 : 26,525.16 = 8,912.32 : x
  2. Step 2: Convert to fraction form
    17,695.86/26,525.16 = 8,912.32/x
  3. Step 3: Cross multiply
    17,695.86x = 26,525.16 × 8,912.32
  4. Step 4: Simplify right side
    17,695.86x = 236,400,713.97
  5. Step 5: Solve for x
    x = 236,400,713.97/17,695.86
  6. Step 6: Final answer
    x = 13,359.10

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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.