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Finding the Fourth Proportional to 17,682.84, 26,525.88 and 8,912.16

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Solution

The fourth proportional to 17,682.84, 26,525.88 and 8,912.16 is: 13,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.84 : 26,525.88 = 8,912.16 : x
  2. Step 2: Convert to fraction form
    17,682.84/26,525.88 = 8,912.16/x
  3. Step 3: Cross multiply
    17,682.84x = 26,525.88 × 8,912.16
  4. Step 4: Simplify right side
    17,682.84x = 236,402,886.70
  5. Step 5: Solve for x
    x = 236,402,886.70/17,682.84
  6. Step 6: Final answer
    x = 13,369.06

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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.