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Finding the Fourth Proportional to 16,779.74, 25,173.71 and 8,350.20

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Solution

The fourth proportional to 16,779.74, 25,173.71 and 8,350.20 is: 12,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.74 : 25,173.71 = 8,350.20 : x
  2. Step 2: Convert to fraction form
    16,779.74/25,173.71 = 8,350.20/x
  3. Step 3: Cross multiply
    16,779.74x = 25,173.71 × 8,350.20
  4. Step 4: Simplify right side
    16,779.74x = 210,205,513.24
  5. Step 5: Solve for x
    x = 210,205,513.24/16,779.74
  6. Step 6: Final answer
    x = 12,527.34

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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.