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Finding the Fourth Proportional to 66,692.92, 92,034.94 and 36,478.16

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Solution

The fourth proportional to 66,692.92, 92,034.94 and 36,478.16 is: 50,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692.92 : 92,034.94 = 36,478.16 : x
  2. Step 2: Convert to fraction form
    66,692.92/92,034.94 = 36,478.16/x
  3. Step 3: Cross multiply
    66,692.92x = 92,034.94 × 36,478.16
  4. Step 4: Simplify right side
    66,692.92x = 3,357,265,266.91
  5. Step 5: Solve for x
    x = 3,357,265,266.91/66,692.92
  6. Step 6: Final answer
    x = 50,339.16

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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.