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Finding the Fourth Proportional to 65,050.77, 89,770.02 and 36,756.45

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Solution

The fourth proportional to 65,050.77, 89,770.02 and 36,756.45 is: 50,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,050.77 : 89,770.02 = 36,756.45 : x
  2. Step 2: Convert to fraction form
    65,050.77/89,770.02 = 36,756.45/x
  3. Step 3: Cross multiply
    65,050.77x = 89,770.02 × 36,756.45
  4. Step 4: Simplify right side
    65,050.77x = 3,299,627,251.63
  5. Step 5: Solve for x
    x = 3,299,627,251.63/65,050.77
  6. Step 6: Final answer
    x = 50,723.88

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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.