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Finding the Fourth Proportional to 30,423.33, 41,984.33 and 16,992.32

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Solution

The fourth proportional to 30,423.33, 41,984.33 and 16,992.32 is: 23,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.33 : 41,984.33 = 16,992.32 : x
  2. Step 2: Convert to fraction form
    30,423.33/41,984.33 = 16,992.32/x
  3. Step 3: Cross multiply
    30,423.33x = 41,984.33 × 16,992.32
  4. Step 4: Simplify right side
    30,423.33x = 713,410,875.46
  5. Step 5: Solve for x
    x = 713,410,875.46/30,423.33
  6. Step 6: Final answer
    x = 23,449.47

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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.