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Finding the Fourth Proportional to 64,935, 89,610.30 and 35,127

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Solution

The fourth proportional to 64,935, 89,610.30 and 35,127 is: 48,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,935 : 89,610.30 = 35,127 : x
  2. Step 2: Convert to fraction form
    64,935/89,610.30 = 35,127/x
  3. Step 3: Cross multiply
    64,935x = 89,610.30 × 35,127
  4. Step 4: Simplify right side
    64,935x = 3,147,741,008.10
  5. Step 5: Solve for x
    x = 3,147,741,008.10/64,935
  6. Step 6: Final answer
    x = 48,475.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.