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Finding the Fourth Proportional to 53,957.40, 80,936.10 and 50,895.60

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Solution

The fourth proportional to 53,957.40, 80,936.10 and 50,895.60 is: 76,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.40 : 80,936.10 = 50,895.60 : x
  2. Step 2: Convert to fraction form
    53,957.40/80,936.10 = 50,895.60/x
  3. Step 3: Cross multiply
    53,957.40x = 80,936.10 × 50,895.60
  4. Step 4: Simplify right side
    53,957.40x = 4,119,291,371.16
  5. Step 5: Solve for x
    x = 4,119,291,371.16/53,957.40
  6. Step 6: Final answer
    x = 76,343.40

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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.