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Finding the Fourth Proportional to 55,653.75, 83,485.49 and 14,100.75

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Solution

The fourth proportional to 55,653.75, 83,485.49 and 14,100.75 is: 21,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.75 : 83,485.49 = 14,100.75 : x
  2. Step 2: Convert to fraction form
    55,653.75/83,485.49 = 14,100.75/x
  3. Step 3: Cross multiply
    55,653.75x = 83,485.49 × 14,100.75
  4. Step 4: Simplify right side
    55,653.75x = 1,177,207,952.61
  5. Step 5: Solve for x
    x = 1,177,207,952.61/55,653.75
  6. Step 6: Final answer
    x = 21,152.36

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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.