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Finding the Fourth Proportional to 32,486.83, 44,830.56 and 20,393.82

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Solution

The fourth proportional to 32,486.83, 44,830.56 and 20,393.82 is: 28,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.83 : 44,830.56 = 20,393.82 : x
  2. Step 2: Convert to fraction form
    32,486.83/44,830.56 = 20,393.82/x
  3. Step 3: Cross multiply
    32,486.83x = 44,830.56 × 20,393.82
  4. Step 4: Simplify right side
    32,486.83x = 914,266,371.14
  5. Step 5: Solve for x
    x = 914,266,371.14/32,486.83
  6. Step 6: Final answer
    x = 28,142.68

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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.