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Finding the Fourth Proportional to 14,889.44, 22,334.63 and 7,489.86

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Solution

The fourth proportional to 14,889.44, 22,334.63 and 7,489.86 is: 11,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.44 : 22,334.63 = 7,489.86 : x
  2. Step 2: Convert to fraction form
    14,889.44/22,334.63 = 7,489.86/x
  3. Step 3: Cross multiply
    14,889.44x = 22,334.63 × 7,489.86
  4. Step 4: Simplify right side
    14,889.44x = 167,283,214.40
  5. Step 5: Solve for x
    x = 167,283,214.40/14,889.44
  6. Step 6: Final answer
    x = 11,235.03

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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.