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Finding the Fourth Proportional to 14,432.61, 21,656.61 and 5,667.60

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Solution

The fourth proportional to 14,432.61, 21,656.61 and 5,667.60 is: 8,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.61 : 21,656.61 = 5,667.60 : x
  2. Step 2: Convert to fraction form
    14,432.61/21,656.61 = 5,667.60/x
  3. Step 3: Cross multiply
    14,432.61x = 21,656.61 × 5,667.60
  4. Step 4: Simplify right side
    14,432.61x = 122,741,002.84
  5. Step 5: Solve for x
    x = 122,741,002.84/14,432.61
  6. Step 6: Final answer
    x = 8,504.42

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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.