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Finding the Fourth Proportional to 33,187.92, 45,798.16 and 18,080.32

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Solution

The fourth proportional to 33,187.92, 45,798.16 and 18,080.32 is: 24,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.92 : 45,798.16 = 18,080.32 : x
  2. Step 2: Convert to fraction form
    33,187.92/45,798.16 = 18,080.32/x
  3. Step 3: Cross multiply
    33,187.92x = 45,798.16 × 18,080.32
  4. Step 4: Simplify right side
    33,187.92x = 828,045,388.21
  5. Step 5: Solve for x
    x = 828,045,388.21/33,187.92
  6. Step 6: Final answer
    x = 24,950.20

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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.