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Finding the Fourth Proportional to 43,506.52, 65,249.08 and 13,918.23

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Solution

The fourth proportional to 43,506.52, 65,249.08 and 13,918.23 is: 20,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,506.52 : 65,249.08 = 13,918.23 : x
  2. Step 2: Convert to fraction form
    43,506.52/65,249.08 = 13,918.23/x
  3. Step 3: Cross multiply
    43,506.52x = 65,249.08 × 13,918.23
  4. Step 4: Simplify right side
    43,506.52x = 908,151,667.93
  5. Step 5: Solve for x
    x = 908,151,667.93/43,506.52
  6. Step 6: Final answer
    x = 20,873.92

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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.