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Finding the Fourth Proportional to 30,471.49, 45,654.96 and 27,389.98

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Solution

The fourth proportional to 30,471.49, 45,654.96 and 27,389.98 is: 41,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.49 : 45,654.96 = 27,389.98 : x
  2. Step 2: Convert to fraction form
    30,471.49/45,654.96 = 27,389.98/x
  3. Step 3: Cross multiply
    30,471.49x = 45,654.96 × 27,389.98
  4. Step 4: Simplify right side
    30,471.49x = 1,250,488,441.30
  5. Step 5: Solve for x
    x = 1,250,488,441.30/30,471.49
  6. Step 6: Final answer
    x = 41,037.98

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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.