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Finding the Fourth Proportional to 73,974.50, 110,989.70 and 44,412.96

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Solution

The fourth proportional to 73,974.50, 110,989.70 and 44,412.96 is: 66,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974.50 : 110,989.70 = 44,412.96 : x
  2. Step 2: Convert to fraction form
    73,974.50/110,989.70 = 44,412.96/x
  3. Step 3: Cross multiply
    73,974.50x = 110,989.70 × 44,412.96
  4. Step 4: Simplify right side
    73,974.50x = 4,929,381,106.51
  5. Step 5: Solve for x
    x = 4,929,381,106.51/73,974.50
  6. Step 6: Final answer
    x = 66,636.22

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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.