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Finding the Fourth Proportional to 17,852.70, 26,763.96 and 11,264.40

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Solution

The fourth proportional to 17,852.70, 26,763.96 and 11,264.40 is: 16,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,852.70 : 26,763.96 = 11,264.40 : x
  2. Step 2: Convert to fraction form
    17,852.70/26,763.96 = 11,264.40/x
  3. Step 3: Cross multiply
    17,852.70x = 26,763.96 × 11,264.40
  4. Step 4: Simplify right side
    17,852.70x = 301,479,951.02
  5. Step 5: Solve for x
    x = 301,479,951.02/17,852.70
  6. Step 6: Final answer
    x = 16,887.08

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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.