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Finding the Fourth Proportional to 51,888.68, 71,540.88 and 33,955.28

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Solution

The fourth proportional to 51,888.68, 71,540.88 and 33,955.28 is: 46,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.68 : 71,540.88 = 33,955.28 : x
  2. Step 2: Convert to fraction form
    51,888.68/71,540.88 = 33,955.28/x
  3. Step 3: Cross multiply
    51,888.68x = 71,540.88 × 33,955.28
  4. Step 4: Simplify right side
    51,888.68x = 2,429,190,611.85
  5. Step 5: Solve for x
    x = 2,429,190,611.85/51,888.68
  6. Step 6: Final answer
    x = 46,815.43

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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.