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Finding the Fourth Proportional to 30,194.58, 45,291.87 and 10,473.15

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Solution

The fourth proportional to 30,194.58, 45,291.87 and 10,473.15 is: 15,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.58 : 45,291.87 = 10,473.15 : x
  2. Step 2: Convert to fraction form
    30,194.58/45,291.87 = 10,473.15/x
  3. Step 3: Cross multiply
    30,194.58x = 45,291.87 × 10,473.15
  4. Step 4: Simplify right side
    30,194.58x = 474,348,548.29
  5. Step 5: Solve for x
    x = 474,348,548.29/30,194.58
  6. Step 6: Final answer
    x = 15,709.73

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Similar ratio
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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.