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Finding the Fourth Proportional to 65,027.80, 97,428.30 and 29,895.40

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Solution

The fourth proportional to 65,027.80, 97,428.30 and 29,895.40 is: 44,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,027.80 : 97,428.30 = 29,895.40 : x
  2. Step 2: Convert to fraction form
    65,027.80/97,428.30 = 29,895.40/x
  3. Step 3: Cross multiply
    65,027.80x = 97,428.30 × 29,895.40
  4. Step 4: Simplify right side
    65,027.80x = 2,912,657,999.82
  5. Step 5: Solve for x
    x = 2,912,657,999.82/65,027.80
  6. Step 6: Final answer
    x = 44,790.97

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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.