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Finding the Fourth Proportional to 14,092.92, 21,144.92 and 5,776.92

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Solution

The fourth proportional to 14,092.92, 21,144.92 and 5,776.92 is: 8,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.92 : 21,144.92 = 5,776.92 : x
  2. Step 2: Convert to fraction form
    14,092.92/21,144.92 = 5,776.92/x
  3. Step 3: Cross multiply
    14,092.92x = 21,144.92 × 5,776.92
  4. Step 4: Simplify right side
    14,092.92x = 122,152,482.36
  5. Step 5: Solve for x
    x = 122,152,482.36/14,092.92
  6. Step 6: Final answer
    x = 8,667.65

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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.