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Finding the Fourth Proportional to 21,951.44, 32,932.56 and 6,368.84

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Solution

The fourth proportional to 21,951.44, 32,932.56 and 6,368.84 is: 9,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951.44 : 32,932.56 = 6,368.84 : x
  2. Step 2: Convert to fraction form
    21,951.44/32,932.56 = 6,368.84/x
  3. Step 3: Cross multiply
    21,951.44x = 32,932.56 × 6,368.84
  4. Step 4: Simplify right side
    21,951.44x = 209,742,205.43
  5. Step 5: Solve for x
    x = 209,742,205.43/21,951.44
  6. Step 6: Final answer
    x = 9,554.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.