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Finding the Fourth Proportional to 30,704.40, 45,996.36 and 15,923.10

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Solution

The fourth proportional to 30,704.40, 45,996.36 and 15,923.10 is: 23,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.40 : 45,996.36 = 15,923.10 : x
  2. Step 2: Convert to fraction form
    30,704.40/45,996.36 = 15,923.10/x
  3. Step 3: Cross multiply
    30,704.40x = 45,996.36 × 15,923.10
  4. Step 4: Simplify right side
    30,704.40x = 732,404,639.92
  5. Step 5: Solve for x
    x = 732,404,639.92/30,704.40
  6. Step 6: Final answer
    x = 23,853.41

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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.