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Finding the Fourth Proportional to 14,474.70, 21,698.19 and 4,608.54

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Solution

The fourth proportional to 14,474.70, 21,698.19 and 4,608.54 is: 6,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.70 : 21,698.19 = 4,608.54 : x
  2. Step 2: Convert to fraction form
    14,474.70/21,698.19 = 4,608.54/x
  3. Step 3: Cross multiply
    14,474.70x = 21,698.19 × 4,608.54
  4. Step 4: Simplify right side
    14,474.70x = 99,996,976.54
  5. Step 5: Solve for x
    x = 99,996,976.54/14,474.70
  6. Step 6: Final answer
    x = 6,908.40

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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.