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Finding the Fourth Proportional to 17,682.32, 26,523.48 and 9,886.88

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Solution

The fourth proportional to 17,682.32, 26,523.48 and 9,886.88 is: 14,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.32 : 26,523.48 = 9,886.88 : x
  2. Step 2: Convert to fraction form
    17,682.32/26,523.48 = 9,886.88/x
  3. Step 3: Cross multiply
    17,682.32x = 26,523.48 × 9,886.88
  4. Step 4: Simplify right side
    17,682.32x = 262,234,463.94
  5. Step 5: Solve for x
    x = 262,234,463.94/17,682.32
  6. Step 6: Final answer
    x = 14,830.32

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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.