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Finding the Fourth Proportional to 14,162.92, 21,239.10 and 4,164.99

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Solution

The fourth proportional to 14,162.92, 21,239.10 and 4,164.99 is: 6,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.92 : 21,239.10 = 4,164.99 : x
  2. Step 2: Convert to fraction form
    14,162.92/21,239.10 = 4,164.99/x
  3. Step 3: Cross multiply
    14,162.92x = 21,239.10 × 4,164.99
  4. Step 4: Simplify right side
    14,162.92x = 88,460,586.01
  5. Step 5: Solve for x
    x = 88,460,586.01/14,162.92
  6. Step 6: Final answer
    x = 6,245.93

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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.