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Finding the Fourth Proportional to 66,803.74, 92,189.14 and 36,590.94

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Solution

The fourth proportional to 66,803.74, 92,189.14 and 36,590.94 is: 50,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.74 : 92,189.14 = 36,590.94 : x
  2. Step 2: Convert to fraction form
    66,803.74/92,189.14 = 36,590.94/x
  3. Step 3: Cross multiply
    66,803.74x = 92,189.14 × 36,590.94
  4. Step 4: Simplify right side
    66,803.74x = 3,373,287,198.91
  5. Step 5: Solve for x
    x = 3,373,287,198.91/66,803.74
  6. Step 6: Final answer
    x = 50,495.49

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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.