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Finding the Fourth Proportional to 19,493.45, 29,239.49 and 7,010.69

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Solution

The fourth proportional to 19,493.45, 29,239.49 and 7,010.69 is: 10,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.45 : 29,239.49 = 7,010.69 : x
  2. Step 2: Convert to fraction form
    19,493.45/29,239.49 = 7,010.69/x
  3. Step 3: Cross multiply
    19,493.45x = 29,239.49 × 7,010.69
  4. Step 4: Simplify right side
    19,493.45x = 204,989,090.77
  5. Step 5: Solve for x
    x = 204,989,090.77/19,493.45
  6. Step 6: Final answer
    x = 10,515.79

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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.