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Finding the Fourth Proportional to 10,328.38, 15,492.30 and 3,754.69

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Solution

The fourth proportional to 10,328.38, 15,492.30 and 3,754.69 is: 5,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.38 : 15,492.30 = 3,754.69 : x
  2. Step 2: Convert to fraction form
    10,328.38/15,492.30 = 3,754.69/x
  3. Step 3: Cross multiply
    10,328.38x = 15,492.30 × 3,754.69
  4. Step 4: Simplify right side
    10,328.38x = 58,168,783.89
  5. Step 5: Solve for x
    x = 58,168,783.89/10,328.38
  6. Step 6: Final answer
    x = 5,631.94

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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.