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Finding the Fourth Proportional to 17,885.46, 26,828.78 and 8,526.50

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Solution

The fourth proportional to 17,885.46, 26,828.78 and 8,526.50 is: 12,790.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.46 : 26,828.78 = 8,526.50 : x
  2. Step 2: Convert to fraction form
    17,885.46/26,828.78 = 8,526.50/x
  3. Step 3: Cross multiply
    17,885.46x = 26,828.78 × 8,526.50
  4. Step 4: Simplify right side
    17,885.46x = 228,755,592.67
  5. Step 5: Solve for x
    x = 228,755,592.67/17,885.46
  6. Step 6: Final answer
    x = 12,790.03

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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.