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Finding the Fourth Proportional to 65,593.85, 90,518.76 and 36,913.41

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Solution

The fourth proportional to 65,593.85, 90,518.76 and 36,913.41 is: 50,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.85 : 90,518.76 = 36,913.41 : x
  2. Step 2: Convert to fraction form
    65,593.85/90,518.76 = 36,913.41/x
  3. Step 3: Cross multiply
    65,593.85x = 90,518.76 × 36,913.41
  4. Step 4: Simplify right side
    65,593.85x = 3,341,356,100.57
  5. Step 5: Solve for x
    x = 3,341,356,100.57/65,593.85
  6. Step 6: Final answer
    x = 50,940.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.