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Finding the Fourth Proportional to 17,669.94, 26,505.72 and 12,498.90

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Solution

The fourth proportional to 17,669.94, 26,505.72 and 12,498.90 is: 18,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,669.94 : 26,505.72 = 12,498.90 : x
  2. Step 2: Convert to fraction form
    17,669.94/26,505.72 = 12,498.90/x
  3. Step 3: Cross multiply
    17,669.94x = 26,505.72 × 12,498.90
  4. Step 4: Simplify right side
    17,669.94x = 331,292,343.71
  5. Step 5: Solve for x
    x = 331,292,343.71/17,669.94
  6. Step 6: Final answer
    x = 18,748.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.