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Finding the Fourth Proportional to 30,270.67, 45,406.02 and 14,471.97

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Solution

The fourth proportional to 30,270.67, 45,406.02 and 14,471.97 is: 21,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.67 : 45,406.02 = 14,471.97 : x
  2. Step 2: Convert to fraction form
    30,270.67/45,406.02 = 14,471.97/x
  3. Step 3: Cross multiply
    30,270.67x = 45,406.02 × 14,471.97
  4. Step 4: Simplify right side
    30,270.67x = 657,114,595.44
  5. Step 5: Solve for x
    x = 657,114,595.44/30,270.67
  6. Step 6: Final answer
    x = 21,707.97

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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.