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Finding the Fourth Proportional to 16,779.96, 25,163.11 and 7,292.94

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Solution

The fourth proportional to 16,779.96, 25,163.11 and 7,292.94 is: 10,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.96 : 25,163.11 = 7,292.94 : x
  2. Step 2: Convert to fraction form
    16,779.96/25,163.11 = 7,292.94/x
  3. Step 3: Cross multiply
    16,779.96x = 25,163.11 × 7,292.94
  4. Step 4: Simplify right side
    16,779.96x = 183,512,925.18
  5. Step 5: Solve for x
    x = 183,512,925.18/16,779.96
  6. Step 6: Final answer
    x = 10,936.43

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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.