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Finding the Fourth Proportional to 17,961.32, 26,941.98 and 6,274.64

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Solution

The fourth proportional to 17,961.32, 26,941.98 and 6,274.64 is: 9,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.32 : 26,941.98 = 6,274.64 : x
  2. Step 2: Convert to fraction form
    17,961.32/26,941.98 = 6,274.64/x
  3. Step 3: Cross multiply
    17,961.32x = 26,941.98 × 6,274.64
  4. Step 4: Simplify right side
    17,961.32x = 169,051,225.39
  5. Step 5: Solve for x
    x = 169,051,225.39/17,961.32
  6. Step 6: Final answer
    x = 9,411.96

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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.