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Finding the Fourth Proportional to 15,957.62, 23,936.44 and 4,270.53

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Solution

The fourth proportional to 15,957.62, 23,936.44 and 4,270.53 is: 6,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.62 : 23,936.44 = 4,270.53 : x
  2. Step 2: Convert to fraction form
    15,957.62/23,936.44 = 4,270.53/x
  3. Step 3: Cross multiply
    15,957.62x = 23,936.44 × 4,270.53
  4. Step 4: Simplify right side
    15,957.62x = 102,221,285.11
  5. Step 5: Solve for x
    x = 102,221,285.11/15,957.62
  6. Step 6: Final answer
    x = 6,405.80

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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.