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Finding the Fourth Proportional to 30,527.20, 45,796.20 and 10,817.20

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Solution

The fourth proportional to 30,527.20, 45,796.20 and 10,817.20 is: 16,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527.20 : 45,796.20 = 10,817.20 : x
  2. Step 2: Convert to fraction form
    30,527.20/45,796.20 = 10,817.20/x
  3. Step 3: Cross multiply
    30,527.20x = 45,796.20 × 10,817.20
  4. Step 4: Simplify right side
    30,527.20x = 495,386,654.64
  5. Step 5: Solve for x
    x = 495,386,654.64/30,527.20
  6. Step 6: Final answer
    x = 16,227.71

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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.