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Finding the Fourth Proportional to 66,770.34, 92,144.16 and 36,555.16

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Solution

The fourth proportional to 66,770.34, 92,144.16 and 36,555.16 is: 50,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.34 : 92,144.16 = 36,555.16 : x
  2. Step 2: Convert to fraction form
    66,770.34/92,144.16 = 36,555.16/x
  3. Step 3: Cross multiply
    66,770.34x = 92,144.16 × 36,555.16
  4. Step 4: Simplify right side
    66,770.34x = 3,368,344,281.51
  5. Step 5: Solve for x
    x = 3,368,344,281.51/66,770.34
  6. Step 6: Final answer
    x = 50,446.71

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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.