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Finding the Fourth Proportional to 65,181.63, 89,932.55 and 36,886.71

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Solution

The fourth proportional to 65,181.63, 89,932.55 and 36,886.71 is: 50,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181.63 : 89,932.55 = 36,886.71 : x
  2. Step 2: Convert to fraction form
    65,181.63/89,932.55 = 36,886.71/x
  3. Step 3: Cross multiply
    65,181.63x = 89,932.55 × 36,886.71
  4. Step 4: Simplify right side
    65,181.63x = 3,317,315,891.41
  5. Step 5: Solve for x
    x = 3,317,315,891.41/65,181.63
  6. Step 6: Final answer
    x = 50,893.42

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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.