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Finding the Fourth Proportional to 30,383.53, 45,560.71 and 15,584.83

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Solution

The fourth proportional to 30,383.53, 45,560.71 and 15,584.83 is: 23,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.53 : 45,560.71 = 15,584.83 : x
  2. Step 2: Convert to fraction form
    30,383.53/45,560.71 = 15,584.83/x
  3. Step 3: Cross multiply
    30,383.53x = 45,560.71 × 15,584.83
  4. Step 4: Simplify right side
    30,383.53x = 710,055,614.30
  5. Step 5: Solve for x
    x = 710,055,614.30/30,383.53
  6. Step 6: Final answer
    x = 23,369.76

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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.