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Finding the Fourth Proportional to 17,952.40, 24,771.36 and 9,994.42

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Solution

The fourth proportional to 17,952.40, 24,771.36 and 9,994.42 is: 13,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.40 : 24,771.36 = 9,994.42 : x
  2. Step 2: Convert to fraction form
    17,952.40/24,771.36 = 9,994.42/x
  3. Step 3: Cross multiply
    17,952.40x = 24,771.36 × 9,994.42
  4. Step 4: Simplify right side
    17,952.40x = 247,575,375.81
  5. Step 5: Solve for x
    x = 247,575,375.81/17,952.40
  6. Step 6: Final answer
    x = 13,790.66

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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.