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Finding the Fourth Proportional to 64,428.04, 96,669.87 and 34,866.73

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Solution

The fourth proportional to 64,428.04, 96,669.87 and 34,866.73 is: 52,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.04 : 96,669.87 = 34,866.73 : x
  2. Step 2: Convert to fraction form
    64,428.04/96,669.87 = 34,866.73/x
  3. Step 3: Cross multiply
    64,428.04x = 96,669.87 × 34,866.73
  4. Step 4: Simplify right side
    64,428.04x = 3,370,562,256.43
  5. Step 5: Solve for x
    x = 3,370,562,256.43/64,428.04
  6. Step 6: Final answer
    x = 52,315.15

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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.