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Finding the Fourth Proportional to 30,425.02, 41,984.10 and 16,995.22

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Solution

The fourth proportional to 30,425.02, 41,984.10 and 16,995.22 is: 23,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.02 : 41,984.10 = 16,995.22 : x
  2. Step 2: Convert to fraction form
    30,425.02/41,984.10 = 16,995.22/x
  3. Step 3: Cross multiply
    30,425.02x = 41,984.10 × 16,995.22
  4. Step 4: Simplify right side
    30,425.02x = 713,529,016.00
  5. Step 5: Solve for x
    x = 713,529,016.00/30,425.02
  6. Step 6: Final answer
    x = 23,452.05

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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.