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Finding the Fourth Proportional to 21,814.92, 32,722.38 and 7,025.00

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Solution

The fourth proportional to 21,814.92, 32,722.38 and 7,025.00 is: 10,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.92 : 32,722.38 = 7,025.00 : x
  2. Step 2: Convert to fraction form
    21,814.92/32,722.38 = 7,025.00/x
  3. Step 3: Cross multiply
    21,814.92x = 32,722.38 × 7,025.00
  4. Step 4: Simplify right side
    21,814.92x = 229,874,555.89
  5. Step 5: Solve for x
    x = 229,874,555.89/21,814.92
  6. Step 6: Final answer
    x = 10,537.49

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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.