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Finding the Fourth Proportional to 64,123.30, 88,489.94 and 35,828.99

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Solution

The fourth proportional to 64,123.30, 88,489.94 and 35,828.99 is: 49,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.30 : 88,489.94 = 35,828.99 : x
  2. Step 2: Convert to fraction form
    64,123.30/88,489.94 = 35,828.99/x
  3. Step 3: Cross multiply
    64,123.30x = 88,489.94 × 35,828.99
  4. Step 4: Simplify right side
    64,123.30x = 3,170,504,885.60
  5. Step 5: Solve for x
    x = 3,170,504,885.60/64,123.30
  6. Step 6: Final answer
    x = 49,443.88

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Why These Related Problems?

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