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Finding the Fourth Proportional to 12,473.79, 18,694.48 and 5,069.63

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Solution

The fourth proportional to 12,473.79, 18,694.48 and 5,069.63 is: 7,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.79 : 18,694.48 = 5,069.63 : x
  2. Step 2: Convert to fraction form
    12,473.79/18,694.48 = 5,069.63/x
  3. Step 3: Cross multiply
    12,473.79x = 18,694.48 × 5,069.63
  4. Step 4: Simplify right side
    12,473.79x = 94,774,096.64
  5. Step 5: Solve for x
    x = 94,774,096.64/12,473.79
  6. Step 6: Final answer
    x = 7,597.86

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1.5x scale

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.