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Finding the Fourth Proportional to 66,735.62, 92,095.16 and 36,520.94

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Solution

The fourth proportional to 66,735.62, 92,095.16 and 36,520.94 is: 50,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735.62 : 92,095.16 = 36,520.94 : x
  2. Step 2: Convert to fraction form
    66,735.62/92,095.16 = 36,520.94/x
  3. Step 3: Cross multiply
    66,735.62x = 92,095.16 × 36,520.94
  4. Step 4: Simplify right side
    66,735.62x = 3,363,401,812.65
  5. Step 5: Solve for x
    x = 3,363,401,812.65/66,735.62
  6. Step 6: Final answer
    x = 50,398.90

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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.