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Finding the Fourth Proportional to 74,714.68, 112,072.20 and 22,124.80

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Solution

The fourth proportional to 74,714.68, 112,072.20 and 22,124.80 is: 33,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714.68 : 112,072.20 = 22,124.80 : x
  2. Step 2: Convert to fraction form
    74,714.68/112,072.20 = 22,124.80/x
  3. Step 3: Cross multiply
    74,714.68x = 112,072.20 × 22,124.80
  4. Step 4: Simplify right side
    74,714.68x = 2,479,575,010.56
  5. Step 5: Solve for x
    x = 2,479,575,010.56/74,714.68
  6. Step 6: Final answer
    x = 33,187.25

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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.