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Finding the Fourth Proportional to 17,771.81, 24,525.03 and 9,813.96

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Solution

The fourth proportional to 17,771.81, 24,525.03 and 9,813.96 is: 13,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.81 : 24,525.03 = 9,813.96 : x
  2. Step 2: Convert to fraction form
    17,771.81/24,525.03 = 9,813.96/x
  3. Step 3: Cross multiply
    17,771.81x = 24,525.03 × 9,813.96
  4. Step 4: Simplify right side
    17,771.81x = 240,687,645.02
  5. Step 5: Solve for x
    x = 240,687,645.02/17,771.81
  6. Step 6: Final answer
    x = 13,543.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.