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Finding the Fourth Proportional to 30,051.88, 41,470.02 and 16,622.92

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Solution

The fourth proportional to 30,051.88, 41,470.02 and 16,622.92 is: 22,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.88 : 41,470.02 = 16,622.92 : x
  2. Step 2: Convert to fraction form
    30,051.88/41,470.02 = 16,622.92/x
  3. Step 3: Cross multiply
    30,051.88x = 41,470.02 × 16,622.92
  4. Step 4: Simplify right side
    30,051.88x = 689,352,824.86
  5. Step 5: Solve for x
    x = 689,352,824.86/30,051.88
  6. Step 6: Final answer
    x = 22,938.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.