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Finding the Fourth Proportional to 17,361.66, 26,026.08 and 15,770.61

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Solution

The fourth proportional to 17,361.66, 26,026.08 and 15,770.61 is: 23,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.66 : 26,026.08 = 15,770.61 : x
  2. Step 2: Convert to fraction form
    17,361.66/26,026.08 = 15,770.61/x
  3. Step 3: Cross multiply
    17,361.66x = 26,026.08 × 15,770.61
  4. Step 4: Simplify right side
    17,361.66x = 410,447,157.51
  5. Step 5: Solve for x
    x = 410,447,157.51/17,361.66
  6. Step 6: Final answer
    x = 23,641.01

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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.