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Finding the Fourth Proportional to 50,672.46, 69,927.62 and 28,316.46

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Solution

The fourth proportional to 50,672.46, 69,927.62 and 28,316.46 is: 39,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.46 : 69,927.62 = 28,316.46 : x
  2. Step 2: Convert to fraction form
    50,672.46/69,927.62 = 28,316.46/x
  3. Step 3: Cross multiply
    50,672.46x = 69,927.62 × 28,316.46
  4. Step 4: Simplify right side
    50,672.46x = 1,980,102,654.63
  5. Step 5: Solve for x
    x = 1,980,102,654.63/50,672.46
  6. Step 6: Final answer
    x = 39,076.51

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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.