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Finding the Fourth Proportional to 32,445.72, 44,790.12 and 19,015.20

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Solution

The fourth proportional to 32,445.72, 44,790.12 and 19,015.20 is: 26,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.72 : 44,790.12 = 19,015.20 : x
  2. Step 2: Convert to fraction form
    32,445.72/44,790.12 = 19,015.20/x
  3. Step 3: Cross multiply
    32,445.72x = 44,790.12 × 19,015.20
  4. Step 4: Simplify right side
    32,445.72x = 851,693,089.82
  5. Step 5: Solve for x
    x = 851,693,089.82/32,445.72
  6. Step 6: Final answer
    x = 26,249.78

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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.