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Finding the Fourth Proportional to 60,943.20, 91,285.20 and 50,575.20

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Solution

The fourth proportional to 60,943.20, 91,285.20 and 50,575.20 is: 75,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,943.20 : 91,285.20 = 50,575.20 : x
  2. Step 2: Convert to fraction form
    60,943.20/91,285.20 = 50,575.20/x
  3. Step 3: Cross multiply
    60,943.20x = 91,285.20 × 50,575.20
  4. Step 4: Simplify right side
    60,943.20x = 4,616,767,247.04
  5. Step 5: Solve for x
    x = 4,616,767,247.04/60,943.20
  6. Step 6: Final answer
    x = 75,755.25

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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.