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Finding the Fourth Proportional to 18,461.54, 27,706.90 and 8,595.74

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Solution

The fourth proportional to 18,461.54, 27,706.90 and 8,595.74 is: 12,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.54 : 27,706.90 = 8,595.74 : x
  2. Step 2: Convert to fraction form
    18,461.54/27,706.90 = 8,595.74/x
  3. Step 3: Cross multiply
    18,461.54x = 27,706.90 × 8,595.74
  4. Step 4: Simplify right side
    18,461.54x = 238,161,308.61
  5. Step 5: Solve for x
    x = 238,161,308.61/18,461.54
  6. Step 6: Final answer
    x = 12,900.40

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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.