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Finding the Fourth Proportional to 18,461.01, 27,678.31 and 8,594.91

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Solution

The fourth proportional to 18,461.01, 27,678.31 and 8,594.91 is: 12,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.01 : 27,678.31 = 8,594.91 : x
  2. Step 2: Convert to fraction form
    18,461.01/27,678.31 = 8,594.91/x
  3. Step 3: Cross multiply
    18,461.01x = 27,678.31 × 8,594.91
  4. Step 4: Simplify right side
    18,461.01x = 237,892,561.91
  5. Step 5: Solve for x
    x = 237,892,561.91/18,461.01
  6. Step 6: Final answer
    x = 12,886.21

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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.