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Finding the Fourth Proportional to 68,866.64, 95,035.08 and 38,651.84

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Solution

The fourth proportional to 68,866.64, 95,035.08 and 38,651.84 is: 53,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.64 : 95,035.08 = 38,651.84 : x
  2. Step 2: Convert to fraction form
    68,866.64/95,035.08 = 38,651.84/x
  3. Step 3: Cross multiply
    68,866.64x = 95,035.08 × 38,651.84
  4. Step 4: Simplify right side
    68,866.64x = 3,673,280,706.55
  5. Step 5: Solve for x
    x = 3,673,280,706.55/68,866.64
  6. Step 6: Final answer
    x = 53,339.04

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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.