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Finding the Fourth Proportional to 37,473.82, 51,713.88 and 20,706.82

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Solution

The fourth proportional to 37,473.82, 51,713.88 and 20,706.82 is: 28,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,473.82 : 51,713.88 = 20,706.82 : x
  2. Step 2: Convert to fraction form
    37,473.82/51,713.88 = 20,706.82/x
  3. Step 3: Cross multiply
    37,473.82x = 51,713.88 × 20,706.82
  4. Step 4: Simplify right side
    37,473.82x = 1,070,830,004.66
  5. Step 5: Solve for x
    x = 1,070,830,004.66/37,473.82
  6. Step 6: Final answer
    x = 28,575.42

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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.