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Finding the Fourth Proportional to 65,050.60, 89,768.65 and 36,755.68

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Solution

The fourth proportional to 65,050.60, 89,768.65 and 36,755.68 is: 50,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,050.60 : 89,768.65 = 36,755.68 : x
  2. Step 2: Convert to fraction form
    65,050.60/89,768.65 = 36,755.68/x
  3. Step 3: Cross multiply
    65,050.60x = 89,768.65 × 36,755.68
  4. Step 4: Simplify right side
    65,050.60x = 3,299,507,324.59
  5. Step 5: Solve for x
    x = 3,299,507,324.59/65,050.60
  6. Step 6: Final answer
    x = 50,722.17

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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.