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Finding the Fourth Proportional to 30,079.46, 41,510.03 and 16,651.96

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Solution

The fourth proportional to 30,079.46, 41,510.03 and 16,651.96 is: 22,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.46 : 41,510.03 = 16,651.96 : x
  2. Step 2: Convert to fraction form
    30,079.46/41,510.03 = 16,651.96/x
  3. Step 3: Cross multiply
    30,079.46x = 41,510.03 × 16,651.96
  4. Step 4: Simplify right side
    30,079.46x = 691,223,172.12
  5. Step 5: Solve for x
    x = 691,223,172.12/30,079.46
  6. Step 6: Final answer
    x = 22,979.90

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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.