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Finding the Fourth Proportional to 17,597.64, 26,368.38 and 12,895.86

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Solution

The fourth proportional to 17,597.64, 26,368.38 and 12,895.86 is: 19,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597.64 : 26,368.38 = 12,895.86 : x
  2. Step 2: Convert to fraction form
    17,597.64/26,368.38 = 12,895.86/x
  3. Step 3: Cross multiply
    17,597.64x = 26,368.38 × 12,895.86
  4. Step 4: Simplify right side
    17,597.64x = 340,042,936.91
  5. Step 5: Solve for x
    x = 340,042,936.91/17,597.64
  6. Step 6: Final answer
    x = 19,323.21

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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.