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Finding the Fourth Proportional to 32,798.16, 45,255.24 and 18,645.84

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Solution

The fourth proportional to 32,798.16, 45,255.24 and 18,645.84 is: 25,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,798.16 : 45,255.24 = 18,645.84 : x
  2. Step 2: Convert to fraction form
    32,798.16/45,255.24 = 18,645.84/x
  3. Step 3: Cross multiply
    32,798.16x = 45,255.24 × 18,645.84
  4. Step 4: Simplify right side
    32,798.16x = 843,821,964.20
  5. Step 5: Solve for x
    x = 843,821,964.20/32,798.16
  6. Step 6: Final answer
    x = 25,727.72

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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.