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Finding the Fourth Proportional to 30,079.68, 41,509.04 and 16,650.48

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Solution

The fourth proportional to 30,079.68, 41,509.04 and 16,650.48 is: 22,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.68 : 41,509.04 = 16,650.48 : x
  2. Step 2: Convert to fraction form
    30,079.68/41,509.04 = 16,650.48/x
  3. Step 3: Cross multiply
    30,079.68x = 41,509.04 × 16,650.48
  4. Step 4: Simplify right side
    30,079.68x = 691,145,440.34
  5. Step 5: Solve for x
    x = 691,145,440.34/30,079.68
  6. Step 6: Final answer
    x = 22,977.15

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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.