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Finding the Fourth Proportional to 15,372.56, 23,062.08 and 4,983.50

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Solution

The fourth proportional to 15,372.56, 23,062.08 and 4,983.50 is: 7,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.56 : 23,062.08 = 4,983.50 : x
  2. Step 2: Convert to fraction form
    15,372.56/23,062.08 = 4,983.50/x
  3. Step 3: Cross multiply
    15,372.56x = 23,062.08 × 4,983.50
  4. Step 4: Simplify right side
    15,372.56x = 114,929,875.68
  5. Step 5: Solve for x
    x = 114,929,875.68/15,372.56
  6. Step 6: Final answer
    x = 7,476.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.