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Finding the Fourth Proportional to 66,808.80, 92,192.58 and 36,592.56

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Solution

The fourth proportional to 66,808.80, 92,192.58 and 36,592.56 is: 50,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808.80 : 92,192.58 = 36,592.56 : x
  2. Step 2: Convert to fraction form
    66,808.80/92,192.58 = 36,592.56/x
  3. Step 3: Cross multiply
    66,808.80x = 92,192.58 × 36,592.56
  4. Step 4: Simplify right side
    66,808.80x = 3,373,562,515.20
  5. Step 5: Solve for x
    x = 3,373,562,515.20/66,808.80
  6. Step 6: Final answer
    x = 50,495.78

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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.