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Finding the Fourth Proportional to 13,779.53, 20,652.89 and 9,596.89

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Solution

The fourth proportional to 13,779.53, 20,652.89 and 9,596.89 is: 14,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.53 : 20,652.89 = 9,596.89 : x
  2. Step 2: Convert to fraction form
    13,779.53/20,652.89 = 9,596.89/x
  3. Step 3: Cross multiply
    13,779.53x = 20,652.89 × 9,596.89
  4. Step 4: Simplify right side
    13,779.53x = 198,203,545.33
  5. Step 5: Solve for x
    x = 198,203,545.33/13,779.53
  6. Step 6: Final answer
    x = 14,383.91

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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.