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Finding the Fourth Proportional to 55,571.52, 76,713.72 and 35,455.44

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Solution

The fourth proportional to 55,571.52, 76,713.72 and 35,455.44 is: 48,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.52 : 76,713.72 = 35,455.44 : x
  2. Step 2: Convert to fraction form
    55,571.52/76,713.72 = 35,455.44/x
  3. Step 3: Cross multiply
    55,571.52x = 76,713.72 × 35,455.44
  4. Step 4: Simplify right side
    55,571.52x = 2,719,918,696.64
  5. Step 5: Solve for x
    x = 2,719,918,696.64/55,571.52
  6. Step 6: Final answer
    x = 48,944.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.