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Finding the Fourth Proportional to 15,957.76, 23,936.59 and 4,270.97

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Solution

The fourth proportional to 15,957.76, 23,936.59 and 4,270.97 is: 6,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,957.76 : 23,936.59 = 4,270.97 : x
  2. Step 2: Convert to fraction form
    15,957.76/23,936.59 = 4,270.97/x
  3. Step 3: Cross multiply
    15,957.76x = 23,936.59 × 4,270.97
  4. Step 4: Simplify right side
    15,957.76x = 102,232,457.79
  5. Step 5: Solve for x
    x = 102,232,457.79/15,957.76
  6. Step 6: Final answer
    x = 6,406.44

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1.5x scale

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.