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Finding the Fourth Proportional to 64,792.64, 89,414.88 and 36,114.68

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Solution

The fourth proportional to 64,792.64, 89,414.88 and 36,114.68 is: 49,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792.64 : 89,414.88 = 36,114.68 : x
  2. Step 2: Convert to fraction form
    64,792.64/89,414.88 = 36,114.68/x
  3. Step 3: Cross multiply
    64,792.64x = 89,414.88 × 36,114.68
  4. Step 4: Simplify right side
    64,792.64x = 3,229,189,778.44
  5. Step 5: Solve for x
    x = 3,229,189,778.44/64,792.64
  6. Step 6: Final answer
    x = 49,838.84

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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.