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Finding the Fourth Proportional to 32,779, 45,238.88 and 18,633.96

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Solution

The fourth proportional to 32,779, 45,238.88 and 18,633.96 is: 25,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779 : 45,238.88 = 18,633.96 : x
  2. Step 2: Convert to fraction form
    32,779/45,238.88 = 18,633.96/x
  3. Step 3: Cross multiply
    32,779x = 45,238.88 × 18,633.96
  4. Step 4: Simplify right side
    32,779x = 842,979,480.36
  5. Step 5: Solve for x
    x = 842,979,480.36/32,779
  6. Step 6: Final answer
    x = 25,717.06

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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.