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Finding the Fourth Proportional to 12,244.86, 18,374.22 and 5,224.22

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Solution

The fourth proportional to 12,244.86, 18,374.22 and 5,224.22 is: 7,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.86 : 18,374.22 = 5,224.22 : x
  2. Step 2: Convert to fraction form
    12,244.86/18,374.22 = 5,224.22/x
  3. Step 3: Cross multiply
    12,244.86x = 18,374.22 × 5,224.22
  4. Step 4: Simplify right side
    12,244.86x = 95,990,875.74
  5. Step 5: Solve for x
    x = 95,990,875.74/12,244.86
  6. Step 6: Final answer
    x = 7,839.28

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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.