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Finding the Fourth Proportional to 30,323.70, 45,494.97 and 15,542.94

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Solution

The fourth proportional to 30,323.70, 45,494.97 and 15,542.94 is: 23,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.70 : 45,494.97 = 15,542.94 : x
  2. Step 2: Convert to fraction form
    30,323.70/45,494.97 = 15,542.94/x
  3. Step 3: Cross multiply
    30,323.70x = 45,494.97 × 15,542.94
  4. Step 4: Simplify right side
    30,323.70x = 707,125,589.01
  5. Step 5: Solve for x
    x = 707,125,589.01/30,323.70
  6. Step 6: Final answer
    x = 23,319.24

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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.