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Finding the Fourth Proportional to 21,779.38, 32,674.53 and 6,197

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Solution

The fourth proportional to 21,779.38, 32,674.53 and 6,197 is: 9,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.38 : 32,674.53 = 6,197 : x
  2. Step 2: Convert to fraction form
    21,779.38/32,674.53 = 6,197/x
  3. Step 3: Cross multiply
    21,779.38x = 32,674.53 × 6,197
  4. Step 4: Simplify right side
    21,779.38x = 202,484,062.41
  5. Step 5: Solve for x
    x = 202,484,062.41/21,779.38
  6. Step 6: Final answer
    x = 9,297.06

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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.