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Finding the Fourth Proportional to 57,957.75, 86,936.63 and 16,404.75

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Solution

The fourth proportional to 57,957.75, 86,936.63 and 16,404.75 is: 24,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957.75 : 86,936.63 = 16,404.75 : x
  2. Step 2: Convert to fraction form
    57,957.75/86,936.63 = 16,404.75/x
  3. Step 3: Cross multiply
    57,957.75x = 86,936.63 × 16,404.75
  4. Step 4: Simplify right side
    57,957.75x = 1,426,173,598.97
  5. Step 5: Solve for x
    x = 1,426,173,598.97/57,957.75
  6. Step 6: Final answer
    x = 24,607.13

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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.