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Finding the Fourth Proportional to 27,113.76, 40,674.96 and 8,393.04

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Solution

The fourth proportional to 27,113.76, 40,674.96 and 8,393.04 is: 12,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.76 : 40,674.96 = 8,393.04 : x
  2. Step 2: Convert to fraction form
    27,113.76/40,674.96 = 8,393.04/x
  3. Step 3: Cross multiply
    27,113.76x = 40,674.96 × 8,393.04
  4. Step 4: Simplify right side
    27,113.76x = 341,386,566.28
  5. Step 5: Solve for x
    x = 341,386,566.28/27,113.76
  6. Step 6: Final answer
    x = 12,590.90

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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.