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Finding the Fourth Proportional to 30,546.73, 45,827.28 and 9,485.71

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Solution

The fourth proportional to 30,546.73, 45,827.28 and 9,485.71 is: 14,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.73 : 45,827.28 = 9,485.71 : x
  2. Step 2: Convert to fraction form
    30,546.73/45,827.28 = 9,485.71/x
  3. Step 3: Cross multiply
    30,546.73x = 45,827.28 × 9,485.71
  4. Step 4: Simplify right side
    30,546.73x = 434,704,288.17
  5. Step 5: Solve for x
    x = 434,704,288.17/30,546.73
  6. Step 6: Final answer
    x = 14,230.80

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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.