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Finding the Fourth Proportional to 21,840.06, 32,750.97 and 10,751.97

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Solution

The fourth proportional to 21,840.06, 32,750.97 and 10,751.97 is: 16,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.06 : 32,750.97 = 10,751.97 : x
  2. Step 2: Convert to fraction form
    21,840.06/32,750.97 = 10,751.97/x
  3. Step 3: Cross multiply
    21,840.06x = 32,750.97 × 10,751.97
  4. Step 4: Simplify right side
    21,840.06x = 352,137,446.91
  5. Step 5: Solve for x
    x = 352,137,446.91/21,840.06
  6. Step 6: Final answer
    x = 16,123.47

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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.