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Finding the Fourth Proportional to 74,814.30, 112,242.78 and 22,224.78

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Solution

The fourth proportional to 74,814.30, 112,242.78 and 22,224.78 is: 33,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814.30 : 112,242.78 = 22,224.78 : x
  2. Step 2: Convert to fraction form
    74,814.30/112,242.78 = 22,224.78/x
  3. Step 3: Cross multiply
    74,814.30x = 112,242.78 × 22,224.78
  4. Step 4: Simplify right side
    74,814.30x = 2,494,571,092.09
  5. Step 5: Solve for x
    x = 2,494,571,092.09/74,814.30
  6. Step 6: Final answer
    x = 33,343.51

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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.