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Finding the Fourth Proportional to 14,672.81, 22,009.21 and 5,905.67

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Solution

The fourth proportional to 14,672.81, 22,009.21 and 5,905.67 is: 8,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.81 : 22,009.21 = 5,905.67 : x
  2. Step 2: Convert to fraction form
    14,672.81/22,009.21 = 5,905.67/x
  3. Step 3: Cross multiply
    14,672.81x = 22,009.21 × 5,905.67
  4. Step 4: Simplify right side
    14,672.81x = 129,979,131.22
  5. Step 5: Solve for x
    x = 129,979,131.22/14,672.81
  6. Step 6: Final answer
    x = 8,858.50

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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.