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Finding the Fourth Proportional to 65,100.66, 89,841.33 and 36,804.66

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Solution

The fourth proportional to 65,100.66, 89,841.33 and 36,804.66 is: 50,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,100.66 : 89,841.33 = 36,804.66 : x
  2. Step 2: Convert to fraction form
    65,100.66/89,841.33 = 36,804.66/x
  3. Step 3: Cross multiply
    65,100.66x = 89,841.33 × 36,804.66
  4. Step 4: Simplify right side
    65,100.66x = 3,306,579,604.60
  5. Step 5: Solve for x
    x = 3,306,579,604.60/65,100.66
  6. Step 6: Final answer
    x = 50,791.80

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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.