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Finding the Fourth Proportional to 14,951, 20,632.38 and 8,667.02

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Solution

The fourth proportional to 14,951, 20,632.38 and 8,667.02 is: 11,960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951 : 20,632.38 = 8,667.02 : x
  2. Step 2: Convert to fraction form
    14,951/20,632.38 = 8,667.02/x
  3. Step 3: Cross multiply
    14,951x = 20,632.38 × 8,667.02
  4. Step 4: Simplify right side
    14,951x = 178,821,250.11
  5. Step 5: Solve for x
    x = 178,821,250.11/14,951
  6. Step 6: Final answer
    x = 11,960.49

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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.