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Finding the Fourth Proportional to 32,313, 48,469.50 and 10,425

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Solution

The fourth proportional to 32,313, 48,469.50 and 10,425 is: 15,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,313 : 48,469.50 = 10,425 : x
  2. Step 2: Convert to fraction form
    32,313/48,469.50 = 10,425/x
  3. Step 3: Cross multiply
    32,313x = 48,469.50 × 10,425
  4. Step 4: Simplify right side
    32,313x = 505,294,537.50
  5. Step 5: Solve for x
    x = 505,294,537.50/32,313
  6. Step 6: Final answer
    x = 15,637.50

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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.