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Finding the Fourth Proportional to 14,678.54, 22,018.54 and 5,912.28

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Solution

The fourth proportional to 14,678.54, 22,018.54 and 5,912.28 is: 8,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.54 : 22,018.54 = 5,912.28 : x
  2. Step 2: Convert to fraction form
    14,678.54/22,018.54 = 5,912.28/x
  3. Step 3: Cross multiply
    14,678.54x = 22,018.54 × 5,912.28
  4. Step 4: Simplify right side
    14,678.54x = 130,179,773.67
  5. Step 5: Solve for x
    x = 130,179,773.67/14,678.54
  6. Step 6: Final answer
    x = 8,868.71

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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.