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Finding the Fourth Proportional to 64,639.64, 89,204.52 and 35,960.22

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Solution

The fourth proportional to 64,639.64, 89,204.52 and 35,960.22 is: 49,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.64 : 89,204.52 = 35,960.22 : x
  2. Step 2: Convert to fraction form
    64,639.64/89,204.52 = 35,960.22/x
  3. Step 3: Cross multiply
    64,639.64x = 89,204.52 × 35,960.22
  4. Step 4: Simplify right side
    64,639.64x = 3,207,814,299.05
  5. Step 5: Solve for x
    x = 3,207,814,299.05/64,639.64
  6. Step 6: Final answer
    x = 49,626.11

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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.