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Finding the Fourth Proportional to 17,368.85, 26,061.06 and 8,003.86

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Solution

The fourth proportional to 17,368.85, 26,061.06 and 8,003.86 is: 12,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.85 : 26,061.06 = 8,003.86 : x
  2. Step 2: Convert to fraction form
    17,368.85/26,061.06 = 8,003.86/x
  3. Step 3: Cross multiply
    17,368.85x = 26,061.06 × 8,003.86
  4. Step 4: Simplify right side
    17,368.85x = 208,588,945.39
  5. Step 5: Solve for x
    x = 208,588,945.39/17,368.85
  6. Step 6: Final answer
    x = 12,009.37

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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.