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Finding the Fourth Proportional to 74,756.57, 112,115.75 and 22,153.75

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Solution

The fourth proportional to 74,756.57, 112,115.75 and 22,153.75 is: 33,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756.57 : 112,115.75 = 22,153.75 : x
  2. Step 2: Convert to fraction form
    74,756.57/112,115.75 = 22,153.75/x
  3. Step 3: Cross multiply
    74,756.57x = 112,115.75 × 22,153.75
  4. Step 4: Simplify right side
    74,756.57x = 2,483,783,905.50
  5. Step 5: Solve for x
    x = 2,483,783,905.50/74,756.57
  6. Step 6: Final answer
    x = 33,224.96

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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.