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Finding the Fourth Proportional to 18,394.76, 27,592.14 and 5,247.18

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Solution

The fourth proportional to 18,394.76, 27,592.14 and 5,247.18 is: 7,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.76 : 27,592.14 = 5,247.18 : x
  2. Step 2: Convert to fraction form
    18,394.76/27,592.14 = 5,247.18/x
  3. Step 3: Cross multiply
    18,394.76x = 27,592.14 × 5,247.18
  4. Step 4: Simplify right side
    18,394.76x = 144,780,925.17
  5. Step 5: Solve for x
    x = 144,780,925.17/18,394.76
  6. Step 6: Final answer
    x = 7,870.77

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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.