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Finding the Fourth Proportional to 21,245.84, 29,349.24 and 17,024.94

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Solution

The fourth proportional to 21,245.84, 29,349.24 and 17,024.94 is: 23,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,245.84 : 29,349.24 = 17,024.94 : x
  2. Step 2: Convert to fraction form
    21,245.84/29,349.24 = 17,024.94/x
  3. Step 3: Cross multiply
    21,245.84x = 29,349.24 × 17,024.94
  4. Step 4: Simplify right side
    21,245.84x = 499,669,050.05
  5. Step 5: Solve for x
    x = 499,669,050.05/21,245.84
  6. Step 6: Final answer
    x = 23,518.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.