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Finding the Fourth Proportional to 66,595.85, 91,901.94 and 36,382.91

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Solution

The fourth proportional to 66,595.85, 91,901.94 and 36,382.91 is: 50,208.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.85 : 91,901.94 = 36,382.91 : x
  2. Step 2: Convert to fraction form
    66,595.85/91,901.94 = 36,382.91/x
  3. Step 3: Cross multiply
    66,595.85x = 91,901.94 × 36,382.91
  4. Step 4: Simplify right side
    66,595.85x = 3,343,659,620.55
  5. Step 5: Solve for x
    x = 3,343,659,620.55/66,595.85
  6. Step 6: Final answer
    x = 50,208.22

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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.