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Finding the Fourth Proportional to 30,165.77, 41,628.77 and 16,736.99

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Solution

The fourth proportional to 30,165.77, 41,628.77 and 16,736.99 is: 23,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.77 : 41,628.77 = 16,736.99 : x
  2. Step 2: Convert to fraction form
    30,165.77/41,628.77 = 16,736.99/x
  3. Step 3: Cross multiply
    30,165.77x = 41,628.77 × 16,736.99
  4. Step 4: Simplify right side
    30,165.77x = 696,740,390.35
  5. Step 5: Solve for x
    x = 696,740,390.35/30,165.77
  6. Step 6: Final answer
    x = 23,097.05

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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.