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Finding the Fourth Proportional to 33,010, 45,553.80 and 18,105.68

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Solution

The fourth proportional to 33,010, 45,553.80 and 18,105.68 is: 24,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,010 : 45,553.80 = 18,105.68 : x
  2. Step 2: Convert to fraction form
    33,010/45,553.80 = 18,105.68/x
  3. Step 3: Cross multiply
    33,010x = 45,553.80 × 18,105.68
  4. Step 4: Simplify right side
    33,010x = 824,782,525.58
  5. Step 5: Solve for x
    x = 824,782,525.58/33,010
  6. Step 6: Final answer
    x = 24,985.84

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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.