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Finding the Fourth Proportional to 57,807.75, 86,711.63 and 16,254.75

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Solution

The fourth proportional to 57,807.75, 86,711.63 and 16,254.75 is: 24,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.75 : 86,711.63 = 16,254.75 : x
  2. Step 2: Convert to fraction form
    57,807.75/86,711.63 = 16,254.75/x
  3. Step 3: Cross multiply
    57,807.75x = 86,711.63 × 16,254.75
  4. Step 4: Simplify right side
    57,807.75x = 1,409,475,786.47
  5. Step 5: Solve for x
    x = 1,409,475,786.47/57,807.75
  6. Step 6: Final answer
    x = 24,382.13

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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.