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Finding the Fourth Proportional to 64,866.30, 97,289.73 and 25,450.62

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Solution

The fourth proportional to 64,866.30, 97,289.73 and 25,450.62 is: 38,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866.30 : 97,289.73 = 25,450.62 : x
  2. Step 2: Convert to fraction form
    64,866.30/97,289.73 = 25,450.62/x
  3. Step 3: Cross multiply
    64,866.30x = 97,289.73 × 25,450.62
  4. Step 4: Simplify right side
    64,866.30x = 2,476,083,948.13
  5. Step 5: Solve for x
    x = 2,476,083,948.13/64,866.30
  6. Step 6: Final answer
    x = 38,172.12

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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.