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Finding the Fourth Proportional to 8,999.99, 12,414.50 and 5,975.27

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Solution

The fourth proportional to 8,999.99, 12,414.50 and 5,975.27 is: 8,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.99 : 12,414.50 = 5,975.27 : x
  2. Step 2: Convert to fraction form
    8,999.99/12,414.50 = 5,975.27/x
  3. Step 3: Cross multiply
    8,999.99x = 12,414.50 × 5,975.27
  4. Step 4: Simplify right side
    8,999.99x = 74,179,897.47
  5. Step 5: Solve for x
    x = 74,179,897.47/8,999.99
  6. Step 6: Final answer
    x = 8,242.22

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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.