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Finding the Fourth Proportional to 13,433.01, 20,149.53 and 4,667.94

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Solution

The fourth proportional to 13,433.01, 20,149.53 and 4,667.94 is: 7,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.01 : 20,149.53 = 4,667.94 : x
  2. Step 2: Convert to fraction form
    13,433.01/20,149.53 = 4,667.94/x
  3. Step 3: Cross multiply
    13,433.01x = 20,149.53 × 4,667.94
  4. Step 4: Simplify right side
    13,433.01x = 94,056,797.07
  5. Step 5: Solve for x
    x = 94,056,797.07/13,433.01
  6. Step 6: Final answer
    x = 7,001.92

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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.