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Finding the Fourth Proportional to 65,305.08, 97,954.38 and 18,551.88

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Solution

The fourth proportional to 65,305.08, 97,954.38 and 18,551.88 is: 27,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.08 : 97,954.38 = 18,551.88 : x
  2. Step 2: Convert to fraction form
    65,305.08/97,954.38 = 18,551.88/x
  3. Step 3: Cross multiply
    65,305.08x = 97,954.38 × 18,551.88
  4. Step 4: Simplify right side
    65,305.08x = 1,817,237,903.23
  5. Step 5: Solve for x
    x = 1,817,237,903.23/65,305.08
  6. Step 6: Final answer
    x = 27,826.90

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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.