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Finding the Fourth Proportional to 14,679.54, 22,025.58 and 7,664.79

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Solution

The fourth proportional to 14,679.54, 22,025.58 and 7,664.79 is: 11,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.54 : 22,025.58 = 7,664.79 : x
  2. Step 2: Convert to fraction form
    14,679.54/22,025.58 = 7,664.79/x
  3. Step 3: Cross multiply
    14,679.54x = 22,025.58 × 7,664.79
  4. Step 4: Simplify right side
    14,679.54x = 168,821,445.33
  5. Step 5: Solve for x
    x = 168,821,445.33/14,679.54
  6. Step 6: Final answer
    x = 11,500.46

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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.