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Finding the Fourth Proportional to 17,712.67, 26,572.67 and 14,811.25

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Solution

The fourth proportional to 17,712.67, 26,572.67 and 14,811.25 is: 22,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.67 : 26,572.67 = 14,811.25 : x
  2. Step 2: Convert to fraction form
    17,712.67/26,572.67 = 14,811.25/x
  3. Step 3: Cross multiply
    17,712.67x = 26,572.67 × 14,811.25
  4. Step 4: Simplify right side
    17,712.67x = 393,574,458.54
  5. Step 5: Solve for x
    x = 393,574,458.54/17,712.67
  6. Step 6: Final answer
    x = 22,219.94

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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.