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Finding the Fourth Proportional to 50,000.80, 74,914.80 and 42,224.80

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Solution

The fourth proportional to 50,000.80, 74,914.80 and 42,224.80 is: 63,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,000.80 : 74,914.80 = 42,224.80 : x
  2. Step 2: Convert to fraction form
    50,000.80/74,914.80 = 42,224.80/x
  3. Step 3: Cross multiply
    50,000.80x = 74,914.80 × 42,224.80
  4. Step 4: Simplify right side
    50,000.80x = 3,163,262,447.04
  5. Step 5: Solve for x
    x = 3,163,262,447.04/50,000.80
  6. Step 6: Final answer
    x = 63,264.24

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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.