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Finding the Fourth Proportional to 18,327.59, 25,292.06 and 9,944.09

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Solution

The fourth proportional to 18,327.59, 25,292.06 and 9,944.09 is: 13,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.59 : 25,292.06 = 9,944.09 : x
  2. Step 2: Convert to fraction form
    18,327.59/25,292.06 = 9,944.09/x
  3. Step 3: Cross multiply
    18,327.59x = 25,292.06 × 9,944.09
  4. Step 4: Simplify right side
    18,327.59x = 251,506,675.08
  5. Step 5: Solve for x
    x = 251,506,675.08/18,327.59
  6. Step 6: Final answer
    x = 13,722.84

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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.