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Finding the Fourth Proportional to 32,005.80, 44,191.62 and 19,447.40

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Solution

The fourth proportional to 32,005.80, 44,191.62 and 19,447.40 is: 26,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,005.80 : 44,191.62 = 19,447.40 : x
  2. Step 2: Convert to fraction form
    32,005.80/44,191.62 = 19,447.40/x
  3. Step 3: Cross multiply
    32,005.80x = 44,191.62 × 19,447.40
  4. Step 4: Simplify right side
    32,005.80x = 859,412,110.79
  5. Step 5: Solve for x
    x = 859,412,110.79/32,005.80
  6. Step 6: Final answer
    x = 26,851.76

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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.