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Finding the Fourth Proportional to 66,524.61, 91,804.82 and 36,310.80

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Solution

The fourth proportional to 66,524.61, 91,804.82 and 36,310.80 is: 50,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.61 : 91,804.82 = 36,310.80 : x
  2. Step 2: Convert to fraction form
    66,524.61/91,804.82 = 36,310.80/x
  3. Step 3: Cross multiply
    66,524.61x = 91,804.82 × 36,310.80
  4. Step 4: Simplify right side
    66,524.61x = 3,333,506,458.06
  5. Step 5: Solve for x
    x = 3,333,506,458.06/66,524.61
  6. Step 6: Final answer
    x = 50,109.37

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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.